INDEX [] · Accessible entrance storeysQ intro 4, Q2.11 Sanitary facilities M4.3 Accessible...

2Amdt: September 2001

AAbsorbent blankets (H2.1-3) floor type 3Absorbent curtains (H2.1-3) wall type 4Access S intro, S reg 32

Application of Part S S1Buildings other than dwellings

Sanitary accommodation (M4.5)Disabled M4.9, (M4.4-5)

Buildings of purpose groups 2-7 S2, (S2.3), (S2.5-7)Drainage systems (M2.4)Dwellings Q intro, Q reg 29(1), Q2, (Q2.1), (Q2.4), (Q2.7), (Q2.10-11)

Application of Part Q Q1Sanitary facilities (M4.1)

Disabled M intro 6, M4.3Solid waste storage accommodation R reg 30(2)(a), R2.1Within and between storeys Q reg 29(1)(b), Q2.11-13, (Q2.11)

Escape stairs from topmost storeys E6.2bFire-fighting E intro, E10.1

Indicator panels (E11.3)Structural fire precautions D intro 2Vehicles E intro 4, E10.7-8, (E10.1-2, 10.8)

Flues and solid fuel appliances F4.8, (F4.8)Manual controls for windows and rooflights P intro 2, P reg 27(1)(f), P2.7Oil storage tanks (F7.2)Practicable replacement of materials and components B2.2Roofs P intro 2, P reg 27(1)(g), P2.8, (P2.8)Wastewater treatment plant

Desludging M3.3, (M3.3)Inspection and sampling treated water M3.1, (M3.1)

Window and rooflight cleaning P intro 2, P2.3-4, (P2.3-4)Access balconies

Escape routes E2.2Open

Downstand from soffit E2.13Protected lobbies E2.11Smoke ventilation E10.14

Access corridors see Common access corridorsAccess decks D11.11

Buildings of purpose groups 2-7, Escape routes E5.9dDefinition A definitionsFire resistance periods (D1.3) table 1Flats and maisonettes

Downstand from soffit E2.13Escape routes E2.2

Smoke ventilation E10.14Protected lobbies E2.11

Served by escape stairs D11.8-9Access hatches

Cavity barriers D6.7Fire safety performance of suspended ceilings (D1.3)Rooflights within P2.4

Accessible corridors, Dwellings (Q2.11)Accessible entrance storeys Q intro 4, Q2.11

Sanitary facilities M4.3Accessible entrances see EntrancesAccessible storeys see StoreysAccidents

Disproportionate collapse (C3.1)Miscellaneous hazards P intro, P2, (P2.2-5), (P2.8)

3 Amdt: September 2001

Accommodation see Sleeping accommodationAccreditation of installers B2.2Acoustic tests

Identical dwellings H intro 3Procedures (H2.1-3) test procedures

Active fire protection measures see Fire control systemsActivity spaces

Sanitary facilitiesDwellings M4.3Small buildings (M4.4)

Watercloset cubicles (M4.6)Activity spaces (Dwellings) Q3.1, Q3.3Adjustable automatic timing devices J6.1b, J11.3b, (J6.2), (J11.5)Agricultural buildings

Exempted classes A schedule 1Stairs and fixed ladders S3.1e, S3.27, (S3.27)

AgricultureDefinition A definitionssee also Farm effluent tanks

Aids for hard of hearing N reg 26A, N2.2, (N2.2)Air changes

Dwellings (K2.1)Large garages (K3.1)Reduction in natural air changes K intro 4Small garages (K3.2)

Air for combustion F intro 3c, 6, F reg 14(d)Gas-fired appliances F6.3, (F6.3)Large combustion appliance installations F2.1dOil-fired appliances F5.3, (F5.3)Operation of air extract fans F intro 6, F3.11, (F3.11)Solid fuel appliances F4.3, (F4.3)

Air conditioningConservation of fuel and power J intro 7, J13.1, (J13.1)Office buildings J Appendix K

Air for coolingGas-fired appliances F6.4, (F6.4)Oil-fired appliances F5.4, (F5.4)Open-flued combustion appliances F3.11, (F3.11)

Air extract fansAir for combustion F intro 6Small combustion appliance installations F3.10-11, (F3.11)

Air gaps see GapsAir infiltration J intro 8, J5.1, J10.1, (J5.1), (J10.1)Air supported structures E5.27

Definition A definitionsExempted classes of buildings A schedule 1

Airborne sound H reg 19, H2.1, (H2.1-3) standards, test proceduresAlarms see Fire detection and alarm systems; Smoke alarmsAlternative exits

Definition A definitionsFlats and maisonettes E2.14-15, E2.18a

Storey height more than 4.5 m E2.20-23Houses E3.3a, E3.5, E3.7

Aluminium, Structural work (C2.1)Amendment of warrants A intro 4Amplified music, Silenced on operation of fire alarm (E11.3)Amusement arcades, Occupancy load factors A schedule 4Ancient monuments, Controlled by other legislation A schedule 1


Ancillary buildingsClassifying buildings and parts by purpose A reg 6(2)Dwellings

ConservatoriesConservation of fuel and power J intro 5, J7.1Natural ventilation K4.1a

Duration of fire protection D2.1 table 1Exempted classes A schedule 1Fire spread D8.1Roof coverings D9.1

Animal accommodationAncillary to dwellings

Acceptable roof coverings D9.1Duration of fire protection D2.1 table 1Exempted classes of buildings A schedule 1

Surfaces of unprotected zones D7.1Apartments see DwellingsAppliance compartments, Definition A definitionsAppliance replacements not requiring warrants A schedule 2Archaeological areas, Controlled by other legislation A schedule 1Areas

Compartments D2.1 table 2Single storey buildings D2.1 table 1

Energy calculations J2.5Target U-value method J3.5, J Appendix FU-values of ground floors J Appendix CWindows, doors and rooflights

Buildings of purpose groups 2-7Carbon emissions calculation method J8.9aElemental method J8.3-4Heat loss method J8.5-6, (J8.5), J Appendix H

Measurement A schedule 5Arenas see Buildings of purpose group 5Art galleries

Occupancy load factors A schedule 4Purpose groups A schedule 3

Artificial lighting see LightingAsphalt, Thermal conductivity of materials J Appendix A table A18Assembly buildings see Buildings of purpose group 5Atria, U-values of floors above or walls adjoining J2.3Audiences see Fixed seatingAuditoria

Air movement in event of fire D11.14, (D11.14)Escape routes E4.5, E5.22bHearing aids N2.2aHigh level smoke outlet above stage D11.15, (D11.15)Sanitary facilities (M4.5)Separated stage and stage area D11.13, (D11.13)

Automatic doors S2.4Escape routes (E2.4, 5.11)

Buildings of purpose groups 2-7 E5.11eFlats and maisonettes E2.4e

Automatic heat activated sealing devices (D3.14, 4.7, 5.8, 6.7)Automatic smoke detectors see Fire detection and alarm systems; Smoke detectorsAutomatic timing devices (J11.5)

Hot water service systems J6.2, (J6.2)Space heating controls J6.1b, J11.3b,

BBaby changing facilities (M4.5)Back-entry appliances see Combustion appliancesBalanced flues, Fixtures not requiring warrants A schedule 2


BalconiesTransmission of sound H intro 2Treated as rooms for purpose of Part E E1.4see also Access balconies

BallroomsEmergency lighting (E9.2)see also Buildings of purpose sub-group 5A

BarsDisabled access S2.6hOccupancy load factors A schedule 4Sanitary facilities (M4.5)

Basement storeysBuildings of purpose groups 2-7

Number of exits E4.1Protected zones enclosing escape stairs E6.12Width of escape stairs E6.3

Compartments D3.3-4Definition A definitionsFire-fighting facilities E10.4 table, E10.10Flats and maisonettes

Ducted warm air heating E2.24Inner rooms E2.16Means of escape E2.18-19Protected zones E2.10

HousesInner rooms E3.1Means of escape E3.3Private stairs E3.6Protected enclosures E3.6

Resistance to moisture from ground (G2.3, 2.5-6)Smoke ventilation E10.15, (E10.15)Structural fire protection D2.1 table 2U-values (J2.1), J Appendix C

BathroomsTrickle ventilators K4.1b, (K4.1)Ventilation for dwellings (K2.1) table

Baths see Sanitary facilitiesBBA Certificates see British Board of Agrement CertificatesBed space, Dwellings Q3.1Bed-patient care

Means of escape E8.4-6, (E8.6)Measuring travel distances E5.3

BedroomsCavities above ceilings in buildings of purpose sub-group 2B D6.4Disabled access S2.6eDwellings, Location Q3.2Means of escape

Buildings of purpose sub-group 2A E5.10Flats and maisonettes

Alternative exits E2.23Separation from kitchens and other apartments E2.20d

Hospitals E8.4-6, (E8.6)Occupancy load factors A schedule 4Sanitary accommodation for disabled, Buildings of purpose groups 2-7 M4.8, (M4.8)Smoke alarms in shared residential accommodation (E11.2)Sub-compartmentation in buildings of purpose sub-group 2A D4.2Sub-compartmentation in buildings of purpose sub-group 2B D4.6

Bingo hallsEmergency lighting (E9.2)see also Buildings of purpose sub-group 5A

Blind see Disabled people


BlocksDensity and sound insulation (H2.1-3)Thermal conductivity of materials J Appendix A table A18

BlockworkConstructions for sound insulation (H2.1-3) wall types 1-3Insulation thickness J Appendix A table A10, examples 4-6Resistance to precipitation (G3.1) wall typesThermal bridging (J2.1), J Appendix BThermal conductivity of materials J Appendix A table A18

BoilersConservation of fuel and power

Buildings of purpose groups 2-7Controls J11.2-4, (J11.5)Efficiency (J11.1)

DwellingsCarbon index method J Appendix GControls J6.1-2, (J6.1-2)Elemental method J3.2 table 2Methods of compliance J3.1Target U-value method J3.5-6, J Appendix F

see also Combustion appliancesBore holes

Location of infiltration systems (M3.7)Location of oil storage tanks (F7.2c) table

BoundariesDefinition A definitionsDistance and exceptions to exempted classes A schedule 1Fire protection

Duration of external walls D2.1 table 2, D8.1-2Minimum periods of fire resistance (D1.3) table 1Single storey buildings D2.1 table 1

Fire spread D intro 6Buildings ancillary to dwellings D8.1bFrom adjoining buildings D9.1Two buildings on land in same occupation D8.3Unprotected area calculations (D8.1)

Flue terminalsGas-fired appliances (F6.10)Oil-fired appliances (F5.10)

Infiltration systems (M3.7)LPG storage containers F7.5b, (F7.5)Oil storage tanks F7.2b, (F7.2b) tableWastewater treatment systems M3.1e, (M3.1)

Bowling alleysEmergency lighting (E9.2)see also Buildings of purpose sub-group 5B

Branch pipes, Service openings in walls and floors (D3.14, 4.7, 5.8, 6.7)Breather membranes (G3.1) wall type 3, roof type 2Bricks

Constructions for sound insulation (H2.1-3) wall types 1-3Thermal conductivity of materials J Appendix A table A18

BrickworkDensity and sound insulation (H2.1-3)Insulation thickness J Appendix A table A9 examples 4-7Resistance to precipitation (G3.1) wall typesThermal conductivity of materials J Appendix A table A18see also Thermal bridging

Bridges, Exempted classes of buildings A schedule 1


British Board of Agrement CertificatesReferences A referencesUnvented hot water storage systems (P3.1)

British StandardsFire reaction D1.3, (D1.3)Fire resistance D1.3, (D1.3)Large combustion appliance installations F intro 4, F(2.1)References A referencesSelection and use of materials and components (B2.2)Structural Eurocodes C intro 4Workmanship B intro 6, (B2.1)

Building services see ServicesBuildings

Attached to dwellings A schedule 1Classifying by purpose A reg 6Definitions

Building A definitionsChange of use A intro 4

Exempted classes A reg 3Agricultural buildings A schedule 1Buildings ancillary to dwellings A schedule 1Construction and development buildings A schedule 1Controlled by other legislation A schedule 1Maintenance only A schedule 1Not frequented by people A schedule 1Small buildings A schedule 1Specialised buildings A schedule 1Tanks, cables, sewers and drains A schedule 1Temporary buildings A schedule 1Works of civil engineering A schedule 1

Buildings of purpose group 1 see DwellingsBuildings of purpose group 2

Compartmentation D3.5, D2.1 table 2Single storey buildings D2.1 table 1

Occupancy capacity A reg 7(2)(a)Purpose groups A schedule 3Sanitary facilities M4.5, (M4.5)Warning of fire E intro 1, reg 13(1A), E11.2, (E11.2)see also Buildings of purpose sub-group 2A; Buildings of purpose sub-group 2B

Buildings of purpose group 3 see Office buildingsBuildings of purpose group 4

Compartmentation D2.1 table 2Single storey buildings D2.1 table 1

Occupancy capacity and width of circulation areas E5.22cPurpose groups A schedule 3Sanitary facilities M4.5, (M4.5)Smoke and heat exhaust ventilation system D3.6-7, (D3.6-7)

Buildings of purpose group 5Artificial lighting J Appendix JCompartmentation D2.1 table 2

Single storey buildings D2.1 table 1Occupancy load factors A schedule 4Openings in protective barriers S4.2Purpose groups A schedule 3Sanitary facilities M4.5, (M4.5)Steps in sloping gangways S3.28see also Auditoria; Buildings of purpose sub-group 5A; Buildings of purpose sub-group 5B

Buildings of purpose group 6 see Industrial buildingsBuildings of purpose group 7 see Storage buildingsBuildings of purpose sub-group 1A see Flats and maisonettes


Buildings of purpose sub-group 2A A schedule 3Escape routes

Bed-patient care and travel distances E5.3Maximum travel distances E5.1Sub-compartmentation and exits E5.10

Fire detection and alarm systems (E11.2)Lower roof abutting external wall D10.3Openings in protective barriers S4.2Sub-compartments D intro 4, D4.1-3

Buildings of purpose sub-group 2B A schedule 3Cavities above ceilings D6.4Fire detection and alarm systems (E11.2)Sanitary accommodation for disabled M4.8, (M4.8)Sub-compartments D4.6

Buildings of purpose sub-group 5A A schedule 3Display lighting J12.2

Buildings of purpose sub-group 5B A schedule 3Bulk storage see Storage buildings; Storage spaces

CCables, Exempted classes of buildings A schedule 1Calling lifts, Tactile buttons (S2.6)Canopies (D9.1)Canteens, Sanitary facilities (M4.5)Capacity see Occupancy capacityCar parking

Access to dwellings Q2.1Disabled access S2.1-3, S2.6gsee also Vehicle parking

Car parksOccupancy load factors A schedule 4Open-sided


Steel framed (D1.3)Purpose groups A schedule 3U-values of floors above or walls adjoining unheated spaces J2.3

Caravans, Exempted classes of buildings A schedule 1Carbon dioxide emissions J intro 4Carbon dioxide systems of fire control (D2.1, 5.1, 5.3-4, 8.1)Carbon emissions J8.7, (J11.1), J Appendix K

Calculation method J intro 6, J8.7-9, (J8.7)Carbon index method J intro 3-4, J3.1, J3.11, J Appendix GCarbon monoxide

Concentration in large garages (K3.1)Flue gases F intro 6

Carbon performance index (J13.1), J Appendix K2Caretakers’ flats, Escape stairs from flats and maisonettes E2.14Carports

Definition A definitionsExempted classes of buildings A schedule 1Fire spread D8.1

CatchpitsDefinition (F7.2c) tableOil storage tanks F7.2c, (F7.2c) table

CatwalksDisabled access 2.6bEscape stairs E6.6Structural protection exceptions D2.1

Caulking, Wall joints (H2.1-3) wall typesCavities see Concealed spaces


Cavity barriers D6.1-10Definition A definitionsOpenings D6.7, (D3.14, 4.7, 5.8, 6.7)Periods of fire resistance (D1.3) table 1

Cavity fill (Partial)Insulation thickness J Appendix A example 6Resistance to precipitation (G3.1) wall type 2

Cavity wallsConcealed spaces D6.1-2Insulated closers J Appendix DNon-combustible insulation in buildings over 18 m D10.2Resistance to precipitation (G3.1) wall type 2Sealing around joist ends built into inner leafs (J5.1)Sound insulation constructions (H2.1-3) wall types 1-2Thermal bridging J Appendix B example 2Thermal insulation J Appendix A examples 4-6Ties

Sound insulation constructions (H2.1-3) wall types 1-2U-value calculations J Appendix B

CE mark of conformity B intro 3Ceilings

Dispensing with cavity barriers (D1.3) table 1, D6.6-7Fire safety performance of floors (D1.3) table 2Fire spread on surfaces D7.1, (D7.1)Garages ancillary to dwellings D5.2Independent (H2.1-3) floor type 4Insulation between and over joists J Appendix A table A4, examples 1-2Junctions with walls (H2.1-3) wall types 1-3Openwork and smoke reservoirs (D3.6-7)Requirements for cavity barriers D6.2-4Sandwich panels D7.3-4, (D7.4)Thermoplastic materials D7.1c, D7.2, (D7.2)

Central cores, Escape routes E6.11Central heating see Space heatingCentral monitoring units, Smoke alarms (E11.1)Change of use see Existing buildingsChanges of level, Disabled access S2.7Changing cubicles M4.7, (M4.7)Changing facilities

Hospitals D5.4aSub-compartmentation D4.2

Chases, Separating walls and sound transmission (H2.1-3)Chest of drawers space Q3.1Chimney stacks, Definition A definitionsChimneys F intro 3e

Definition A definitionsFixtures requiring warrants A schedule 2Gas-fired combustion appliance installations F6.1, F6.6, (F6.6)Incinerators F3.13Large combustion appliance installations F2.1eOil-fired combustion appliance installations F5.1, F5.7-8, (F5.7)Openings in compartment walls and compartment floors D3.14Openings in separating walls and separating floors D5.8Openings in sub-compartment walls D4.7Small combustion appliance installations F3.3, F3.5, (F3.5)

Factory-made chimneys F3.5-7, (F3.6-7)Relationship to combustible materials F3.9, (F3.9)

Solid fuel combustion appliance installations F4.1, F4.11-13, (F4.11)Separation from combustible materials F4.15-16

Chipboard see Wood based boardsChutes see Waste chutes


CinemasEmergency lighting (E9.2)Gangways S intro 6Sanitary facilities (M4.5)see also Buildings of purpose sub-group 5A

Circuits see Electrical circuitsCircular stairs S3.15, (S3.15)

Escape stairs (S3.15)Circulation areas

Definition A definitionsMinimum width in buildings of purpose group 4 E5.22c

Civil engineering works, Exempted classes of buildings A schedule 1Claddings

Concealed spaces and cavity barriers D6.5, D6.8External wall fire spread D10.1, (D10.1)

To adjoining buildings D8.1-2, (D8.1)Replacements not requiring warrants A schedule 2Resistance to precipitation (G3.1)Sound insulation constructions (H2.1-3) wall type 4

Classes of buildings A intro 4Exempted A reg 3

Cleaner’s roomsEscape stair protected zones E6.8Separation from escape stairs D11.5

CleaningWindows and rooflights P intro 2, P reg 27(1)(c), P2.3-4, (P2.3-4)see also Inspection openings; Maintenance

Coastal flooding see Flood waterCold deck roofs G intro 5Cold stores, Ventilation requirements K2.1aCollapse see Disproportionate collapseCollapsible buildings, Exempted classes of buildings A schedule 1Collisions

With glazing P intro 2, P reg 27(1)(b), P2.2, (P2.2)With projections P intro 2, P reg 27(1)(a), P2.1

Combined heat and power systems, Heating system efficiency (J11.1)Combined method (J2.1), J Appendix BCombustible materials

Factory-made chimneys F3.9, (F3.9)Gas-fired appliances F6.14-17, (F6.16-17)Oil-fired appliances F5.11-13, (F5.11-13)Solid fuel appliances F4.14-21, (F4.17-19), (F4.21)

Combustion appliance installations F intro 1, F reg 14Application of Part F F1Conservation of fuel and power, Combined heat and power systems (J11.1)Gas-fired F6, (F6.2-7), (F6.9-11), (F6.13), (F6.16-17)

Energy rating eficiency J Appendix GLabelling F3.12, (F3.12)Large installations F2.1, (F2.1)

Location F intro 8Oil-fired F5, (F5.2-4), (F5.7-8), (F5.10-13)Small installations F3, (F3.1), (F3.4-9), (F3.11-12)Solid fuel F4, (F4.2-3), (F4.5), (F4.8), (F4.10-12), (F4.17-19), (F4.21)see also Hot water; Space heating


Combustion appliancesConservation of fuel and power

Buildings of purpose groups 2-7Controls J11.2-4, (J11.5)Efficiency (J11.1)

DwellingsCarbon index method J Appendix GControls J6.1-2, (J6.1-2)Elemental method J3.2 table 2Methods of compliance J3.1Target U-value method J3.5-6, J Appendix F

Exceptions to exempted classes of buildings A schedule 1Fixtures not requiring warrants A schedule 2Gas-fired F6.2, F6.16-17, (F6.2), (F6.16-17)

Condensing mode of operation (F6.11)Decorative fuel-effect (F3.6), (F6.3), (F6.6-7), (F6.16)Fixtures not requiring warrants A schedule 2Flue terminal positions (F6.10)Live fuel-effect (F6.3), (F6.7), (F.6.16)Separation from combustible materials F6.16-17, (F6.16-17)

Oil-fired F5.2, (F5.2)Fixtures not requiring warrants A schedule 2Room-sealed F5.3, F5.6Separation from combustible materials F5.13, (F5.13)Standing F5.11-12, (F5.11-12)

Open-fluedAir for combustion or cooling F3.11, (F3.11)Definition A definitionsVentilation of dwellings (K2.1) table

Solid fuel F4.2, (F4.2)Back entry F4.6Construction of adjacent parts of buildings (F4.19)Fixtures not requiring warrants A schedule 2Positioning on hearths F4.18, (F4.18)Prefabricated appliance chambers (F4.21)Removal of products of combustion (F4.5)

Combustion products and their removal F intro 3d, F reg 14(c)Gas-fired combustion appliance installations F6.5-10, (F6.5-7), (F6.9-10)Large combustion appliance installations F2.1cOil-fired combustion appliance installations F5.5-10, (F5.7), (F5.8), (F5.10)Small combustion appliance installations F3.3-4, (F3.4)Solid fuel combustion appliance installations F4.4-10, (F4.5), (F4.8), (F4.10)

Commercial buildings see Buildings of purpose group 4Commissioning services J6.5-6, J14.1-2, (J14.1-2)Common access corridors

Flats and maisonettes Q2.8Smoke ventilation E10.14Sound insulation H1.4

Common ducts, Mechanical ventilation system K4.7Communal occupations see Mixed occupationsCommunal rooms, Escape routes from flats and maisonettes E2.1b, E2.7Communal solid waste storage accommodation R2.2, (R2.3)Compartment floors D3.1

Buildings with basement storeys D3.3Definition A definitionsEscape stairs E6.4bJunctions with walls D3.15Openings D3.14, (D3.14, 4.7, 5.8, 6.7)

Chimneys of small combustion appliance installations F3.7aFlue-pipes of gas-fired installations F6.12

Periods of fire resistance (D1.3) table 1


Compartment walls D3.1Definitions

Compartment wall A definitionsSub-compartment wall A definitions

Enclosure of lift wells D3.12Junctions with other walls D3.15

Hospitals D3.17Junctions with roofs D3.16, (D3.16, 5.10)Measuring travel distances E5.2-3Openings D3.14, (D3.14, 4.7, 5.8, 6.7)

Chimneys of small combustion appliance installations F3.7aFlue-pipes of gas-fired installations F6.12Manual operation of rolling shutters E10.16

Periods of fire resistance (D1.3) table 1Separated stage and stage area D11.13

Compartments D intro 3, D3.1-17Definition A definitionsDuration and area D2.1 table 2

Single storey buildings D2.1 table 1Hospitals E8.1-4

Hospital streets E8.9-10Rules of measurement A schedule 5Single buildings having opposing compartments externally D8.3Travel distances E5.3

Buildings of purpose sub-group 2A E5.8Unprotected area calculations (D8.1)see also Sub-compartments

Components, Selection and use B2Composite floor bases, Sound insulation constructions (H2.1-3)Composite steel and concrete structural work (C2.1)Concealed spaces D6.1-10

Definition of cavity A definitionsJunctions D6.8-10, (D3.14, 4.7, 5.8, 6.7, 6.9)Openings D6.7, (D3.14, 4.7, 5.8, 6.7)Storeys more than 18 m above ground

Insulation in cavities of external walls D10.2Rainscreen cladding D6.5

Concentrated loads C intro 3Concrete

Deck roofsInsulation thickness J Appendix A example 3Resistance to precipitation (G3.1)

FloorsSound insulation constructions (H2.1-3) wall types 2-3, floor types 1-2Thermal insulation thickness J Appendix A table A16

Flue-block chimneys (F3.5)Ground floors

Insulation thickness J Appendix A tables A12, A14, example 8Resistance to moisture from ground (G2.3, 2.5-6)

Lightweight blocksThermal bridging (J2.1), J Appendix BThermal conductivity of materials J Appendix A table A18

Structural work (C2.1)Disproportionate collapse (C3.1)

Thermal conductivity of materials J Appendix A table A18Walls

Resistance to precipitation (G3.1) wall types 1-2Sound insulation constructions (H2.1-3) wall types 1-3Thermal insulation thickness J Appendix A table A10


Condensation J intro 8Air conditioning and ventilation plant management J Appendix KRisk at edges of openings J Appendix DVentilation standards K intro 4

Condensation resistance G intro 5-6, G reg 18, (G3.1)Interstitial G intro 6, G4.1, (G4.1)Surface G intro 6, G4.2, (G4.2)

Conference hallsHearing aids N2.2asee also Buildings of purpose sub-group 5A

Confined spacesMeans of escape E5.22

Storage areas E5.21Conservation of fuel and power J intro, J reg 22

Application of Part J J1Buildings of purpose groups 2-7 J intro 6

Carbon emissions calculation method J8.7-10, (J8.7)Commissioning services J14.1-2, (J14.1-2)Efficiency of services systems J13.1, (J13.1)

Offices J Appendix KElemental method J8.2-4Heat loss method J8.5-6, (J8.5), J Appendix HHeating and hot water services J11.1-7, (J11.1, 11.3, 11.5-7)Lighting services J12.1-3, (J12.1-3), J Appendix JLimiting infiltration J10.1, (J10.1)Limiting thermal bridging J9.1, (J9.1)Standards J8.1

Dwellings J intro 3-5Carbon index method J3.11, J Appendix GConservatories J7.1Elemental method J3.2-3Heating and hot water services J6.1-6, (J6.1-4)Limiting infiltration J5.1, (J5.1)Limiting thermal bridging J4.1, (J4.1)Maximum permissible U-values J3.12Standards J 3.1Target U-value method J3.4-10, J Appendix F

Rules for the use of Part J J2.1-5, (J2.1)Tables of U-values J Appendix AThermal bridging at the edges of openings J Appendix DU-value calculations using the Combined Method J Appendix BU-values of ground floors and basements J Appendix CU-values of windows, doors and rooflights J Appendix EVentilation K intro 3

ConservatoriesConservation of fuel and power J intro 5, J7.1Definition A definitionsDuration of fire protection D2.1 table 1Exceptions to exemptions A schedule 1Ventilation of dwellings K4.1a

ConstructionApplications for warrants already made A intro 4Definition A definitions

Construction and development buildings, Exempted classes A schedule 1Construction Products Directive

Compliance A referencesFitness of materials B intro 3, (B2.2)Reaction to fire (D1.3)

Constructional hearths see HearthsContainers, Surface water storage M2.9d


ContaminationAir supply of mechanical ventilation systems K4.9-10, (K4.10)Contaminants and remedial actions G AppendixDungsteads and farm effluent tanks R reg 31, R3.1a, (R3.1)From contents of fuel tanks F reg 15(1)(b), (F7.2c) tableSolid waste storage from dwellings R reg 30(2)(c), R2.1

Control rooms, Shopping centres with malls (E11.3)Controlled waters, Oil storage tanks (F7.2c) tableConversions see Existing buildingsCookers, Facilities for dwellings Q3.3Cooling see Air for cooling; Space coolingCorridors

Access within dwellings (Q2.11)Division for smoke control E5.23, (E5.23)

Fire safety performance of walls D11.4Escape from flats and maisonettes E2.12, E10.14, (E2.11-12)Service corridor escape from shops E7.6-7see also Common access corridors

Counter battens, Framed walls and resistance to precipitation (G3.1) wall type 3, roof type 2Course heights, Coordinating for thermal insulation (H2.1-3)Covered areas

Ancillary to dwellings A schedule 1Fire spread D8.1

Definition A definitionsFire safety of roofs and rooflights (D9.1)

Creches in shopping centres with malls E7.8Cubic capacity, Measurement A schedule 5Cupboards, Factory-made chimneys F3.7b, (F3.7)Current leakages see Electrical installationsCurtain walls

Condensation avoidance J Appendix D6Thermal performance J Appendix B4

CurtilageBuildings ancillary to dwellings exemptions A schedule 1Definition A definitionsExceptions to small buildings exemption A schedule 1

DDamage by heat, Combustion appliance installations F reg 14(b)Damp-proof courses, Combustible materials and chimneys F4.11, F4.15aDamp-proof membranes (G2.3, 2.5-6)Dance halls

Emergency lighting (E9.2)Occupancy load factors A schedule 4see also Buildings of purpose sub-group 5A

Dangerous substances see Harmful or dangerous substancesDay centres, Purpose groups A schedule 3Day rooms

Occupancy capacity A reg 7(2)(a)Sub-compartmentation D4.2d

Daylight-linked photo-electric light switching (J12.3)Dead loads C2.1

Calculation (C2.1)Definition A definitions

Deaf see Disabled peopleDeafening (H2.1-3) floor type 3Decorative fuel-effect gas appliances (F3.6)

Air for combustion (F6.3)Definition A definitionsRelationship to combustible materials (F6.16)Removal of products of combustion (F6.6-7)


Deemed to satisfy compliance with standards A reg 9(2)Workmanship B intro 6

Definitions A definitionsDensity, Masonry units, Sound insulation (H2.1-3)Desludging, Wastewater treatment plant M3.3, (M3.3)Development buildings see Construction and development buildingsDifferent occupation

Definition A definitionsSeparating walls and separating floors D5.1

Differential movement, Fire-stopping (D3.14, 4.7, 5.8, 6.7, 6.9)Directions of travel

Buildings of purpose groups 2-7 E4.2-3Maximum travel distances E5.1Multiple exits E5.7

Enclosed shopping centres E7.1Flats and maisonettes E2.15

Storey heights of more than 4.5 m E2.20-21Hospital streets E8.9e

Directives see Construction Products Directive; European CommunityDisabled people

Access to buildings S intro 1, S2.1-5Access to dwellings Q intro, Q2.1-12, (Q2.1), (Q2.4), (Q2.7), (Q2.11)Access to flats and maisonettes Q intro 3, Q2.1, Q2.5-7, Q2.10, (Q2.10)

Entryphone systems Q2.10a, (Q2.10)Definition A definitions, Q intro 6, S intro 8Fixed seating accommodation S intro 7, S reg 32(2), S2.6f, S2.10

Wheelchair space provision S2.10 tableHearing aid systems N2.2, (N2.2)Impaired sight S intro 1Internal doors and lobbies S2.8-9Means of escape from fire

Refuges within protected zones E intro 3cWheelchair spaces on escape stair landings E2.9, E6.7

Movement within buildings S intro 1, S2.6-7, (S2.6-7)Dwellings Q2.11-13, (Q2.11)Light switches in communal areas of flats and maisonettes Q2.10b

Sanitary facilitiesBuildings other than dwellings M intro 6-7, M4.8, (M4.4-5), (M4.8)

Travel distances M4.9Dwellings M intro 6-7

Accessibility M intro 6, M4.3Discharges from drainage systems M2.8-9, (M2.9)Discharges into drainage systems M2.6-7, (M2.6-7)Discharges of steam or hot water P intro 2, P reg 27(1)(e), P2.6

Installation of discharge pipes (P3.1)Warnings must not be impeded by insulation J11.7

Display lighting, Energy conservation J12.2, (J12.2-3)Disproportionate collapse C reg 11(2), C3.1, (C3.1)Distances between buildings see Boundaries; Separation distancesDocks, Exempted classes of buildings A schedule 1Domestic garages

Acceptable roof coverings D9.1Duration of fire protection D2.1 table 1Exempted classes of buildings A schedule 1Protected lobbies E2.11Separating walls and separating floors D5.2b, D5.7U-values of floors above or walls adjoining unheated spaces J2.3

Door framesConservation of fuel and power

Dwellings, Elemental method J3.2 table 1Indicative U-values J Appendix A tables A1-3


DoorsConservation of fuel and power

Buildings of purpose groups 2-7Carbon emissions calculation method J8.9aElemental method J8.2-4, J Appendix EHeat loss method J8.5-6, (J8.5), J Appendix H

DwellingsDraught seals (J5.1)Elemental method J3.2-3, J Appendix EMethods of compliance J3.1Target U-value method J Appendix F

Indicative U-values J Appendix A tables A1-3Definition of emergency door A definitionsEscape routes (E2.4, 5.11)

Buildings of purpose groups 2-5, Occupancy capacity more than 60 E5.20Buildings of purpose groups 2-7 E5.11, E5.17-20Flats and maisonettes E2.1, E2.4-5

Hospital streets to adjoining compartments E8.10Internal doors S2.8

Opening onto landings S3.19Measuring travel distances

Buildings of purpose groups 2-7 E5.2-4Flats and maisonettes E2.15

see also Entrances; Fire doors; Glazed doorsDoorways

Clear headroom, Escape routes E2.3, E5.12Clear opening width (Q2.11)

Escape routes E5.15Double glazing see GlazingDouble-walled flue-pipes

Gas-fired installationsRelationship to combustible materials F6.14-15Removal of combustion products F6.9, (F6.9)

Drainage systemsApplication of Part M M1Definition A definitionsDischarges from drainage systems M2.8-9, (M2.9)Discharges into systems M2.6-7, (M2.6-7)Washing down floors where communal solid waste stored R2.2Wastewater and surface water M intro 1-4, M reg 24, M2.1-5, (M2.1-5)see also Site drainage

DrainsBranch pipe through fire resisting construction (D3.14, 4.7, 5.8, 6.7)Exempted classes of buildings A schedule 1Existing drains and site preparation G intro 3, G reg 16(2)(c), G2.4Size and construction M intro 2, (M2.4)Subsoil G intro 3, (G2.2)

Draught divertersGas-fired installations F6.8a, F6.17, (F6.17)Solid fuel installations F4.7a

Draught seals (J5.1)Draught stabilisers

Flue openingsGas-fired installations F6.8aSolid fuel installations F4.7a, (F4.3)

Dropped kerbs see KerbsDry fire mains see Fire mainsDry linings see Internal liningsDucted warm air heating systems

Flats and maisonettes E2.24Thermostats and time controls J11.4a


DuctsConservation of fuel and power

Calculation of areas J2.5cThermal insulation J6.3, J11.6, (J6.3-4), (J11.6)

Definition A definitionsFire resisting construction (D3.14, 4.7, 5.8, 6.7)Floor penetrations and sound transmission (H2.1-3) floor typesSeparating walls and sound transmission (H2.1-3)see also Common ducts

Dungsteads R intro 1b, R reg 31, R3.1-2, (R3.1-2)Exceptions to exempted classes A schedule 1

Durability B intro 5, B reg 10, B2.2Dwell times, Passenger lifts (S2.6)Dwellings

Above shops or offices D5.6bAccess Q intro, Q reg 29(1), Q2, (Q2.1), (Q2.4), (Q2.7), (Q10-11)

Accessible entrances Q2.5-7, (Q2.7)Application of Part Q Q1Within and between storeys Q reg 29(1)(b), Q2.11-13, (Q2.11)

Accommodation Q intro 1, Q reg 29(1)(c), Q3.1Ancillary or attached buildings

ConservatoriesConservation of fuel and power J intro 5, J7.1Natural ventilation K4.1a

Duration of fire protection D2.1 table 1Exemptions A schedule 1Fire spread D8.1Roof coverings D9.1


Conservation of fuel and powerApplication of Part J J intro 3-5, J1.2Area of glazing in extensions J2.5dCarbon index method J3.1, J3.11, J Appendix GElemental method J3.1-3

U-values of windows, doors and rooflights J Appendix EHeating and hot water services J6.1-6, (J6.1-4)Limiting air infiltration J5.1, (J5.1)Limiting thermal bridging J4.1, (J4.1)Maximum permissible U-values J3.12Standards J3.1Target U-value method J3.1, J3.4-10, J Appendix FU-values

Floors or walls adjoining unheated space J2.3Ground floors J Appendix C

DefinitionsApartment A definitionsDwelling A definitions, H1.4

Discharge from hot water systems P2.6Discharges into drainage systems M2.6, (M2.6)Distance from dungsteads or farm effluent tanks R3.1c, (R3.1)External walls and risk of fire spread D8.1-2Facilities Q intro 1, Q reg 29, Q3

Application of Part Q Q1Kitchens Q reg 29(1)(d), Q3.3-4Sanitary facilities Q intro 5

Openings in protective barriers S4.2Protected enclosures D11.3Purpose groups A schedule 3Sanitary facilities M intro 2, M4.1-3, (M4.1-2)

Accessibility to disabled M intro 6, M4.3


Separating walls and separating floors D5.2, D5.6-7Solid waste storage R reg 30(1), R2, (R2.3)Sound transmission H intro, H regs 19-21

Application of Part H H1Specified constructions (H2.1-3)Test procedures (H2.1-3) test procedures

Used for business, Purpose groups A schedule 3Ventilation K intro 4-5, K4.1a, (K2.1)

Passive stack K2.1c, (K2.1)Systems serving more than one dwelling K4.6

Warning of fire E intro 1, E reg 13(1A), E11.1see also Disabled people; Flats and maisonettes; Houses

Dynamic loads C intro 3

EEdge insulation J Appendix CEducational establishments, Purpose groups A schedule 3Effluents see Dungsteads; Farm effluent tanksElectric shocks N intro 1

Electrical circuitsDefinition of protected circuit A definitionsProtected lighting circuits E9.1Separate lighting circuits for protected zones E9.1Smoke alarms (E11.1)Smoke and heat ventilation systems (D3.6-7)

Electrical installations N intro, N reg 26, N2.1, (N2.1)Application of Part N N intro 3, N1Artificial lighting of escape routes E9.1Emergency lighting E9.2, (E9.2)Protection against overcurrents or leakages N2.1bSmoke alarms (E11.1)Socket outlets in dwellings Q reg 29(2), Q3.9Standby power supply

Air supported structures E5.27dSmoke and heat ventilation systems (D3.6-7)

Electro-magnetic or electro-mechanical devices susceptible to smoke, Definition A definitionsElectromagnetic disturbances, Smoke alarms B intro 4Elemental method

Buildings of purpose groups 2-7 J intro 6, J8.2-4Dwellings J intro 3, J3.1-3U-values of windows, doors and rooflights J Appendix E

Elements of structureDefinition A definitionsFire safety performance D2.1-3

Emergency doors E5.18Definition A definitions

Emergency lighting E9.2, (E9.2)Definition A definitionsEnergy use J12.1aEscape routes E9.1

Emergency stopping of escalators & passenger conveyors P intro 3, P reg 27(1)(d), P2.5, (P2.5)Emergency support systems, Air supported structures E5.27eEmergency windows see WindowsEnclosed courtyards, Treated as rooms for purpose of Part E E1.4Enclosed shopping centres see Shopping complexesEnclosing rectangles, Unprotected area calculations (D8.1)Enclosures

Escape stairsBuildings of purpose groups 2-7 E6.2, E6.6-14External walls D11.10Flats and maisonettes E2.8-11Hospitals E8.7Separating walls D5.7


Protected D11.3Definition A definitionsLift wells D3.12Means of escape in flats and maisonettes E2.11, E2.19

More than 5 m in height E2.20-21, E2.23aMeans of escape in houses of purpose sub-group 1B E3.4, E3.6

Swimming pools, Ancillary buildings exempted A schedule 1Energy conservation see Conservation of fuel and powerEnergy consumption

Efficiency of system operation J13.1, (J13.1)Office buildings J Appendix K

Information for occupiers J14.2, (J14.2)Energy metering J Appendix KEnergy ratings see SAP energy ratingsEntrance lobbies S2.5 (S2.5)Entrances

Access to dwellings Q intro 3, Q2.1-4Access to flats and maisonettes Q intro 3, Q2.1, Q2.5-9Access within dwellings Q2.11, (Q2.11)

Sanitary facilities for disabled M4.3Accessible entrances to dwellings Q intro 4, Q2.5-7

Thresholds Q2.7, (Q2.7)Approaches of principal entrances S2.3, (S2.3)Escape from flats and maisonettes E2.1a, E2.15

More than 4.5 m high E2.20-23Intensive therapy units D4.5Principal entrances S2.4-5, (S2.5)

Entryphone systems, Disabled access Q2.10a, (Q2.10)Equipment malfunctions

Escalators and passenger conveyors P intro 3, P reg 27(1)(d), P2.5, (P2.5)Hot water storage systems P intro 2, P reg 28(1), P3.1, (P3.1)

EscalatorsEmergency stopping mechanisms P intro 3, P reg 27(1)(d), P2.5, (P2.5)Openings in compartment floors D3.14, (D3.14)Replacements not requiring warrants A schedule 2

Escape of foul air, Drainage systems M intro 2, M2.3, (M2.3)Escape routes

Air supported structures E5.27Buildings containing auditoria E4.5Buildings of purpose groups 2-7 E4.2-5

Horizontal escape E5.1-27Height and width E5.12-18Travel distances E5.1-8

Vertical escape E6.1-14Buildings of purpose sub-group 2A E5.3Definitions

Escape route A definitionsProtected zones A definitions

Enclosed shopping centres with malls E7.1-8Flat roofs or access decks E2.2e, E3.7, E5.9gFlats and maisonettes E2.1-19, (E2.11-12)

Storey height more than 4.5 m E2.20-24Hospitals E5.9, E8.3-10, (E8.6)Houses E3.2-7Lighting E9.1Number E intro 2Protection during fires D intro 2, D11.1-15

Flat roofs or access decks D11.11Minimum periods of fire resistance (D1.3) table 1

Requirements E intro 3Revolving, sliding or automatic doors (E2.4, 5.11)Smoke ventilation E10.13-14see also Travel distances


Escape stairs E intro 3bBuildings of purpose groups 2-7 E5.9e

Appropriate capacity E6.4Measuring travel distances if not in a protected zone E5.6Protected zones E6.6-14Width E6.1-5

Buildings of purpose sub-group 2A, Maximum travel distances E5.8Circular (S3.15)Definition A definitionsFire protection

Enclosing rooms D11.5Enclosure and external walls D11.10Enclosure and separating walls D5.7External escape stairs D11.7-8Flats and maisonettes D11.9Non-combustible materials D11.12

Fire-fighting facilities E10.4Flats and maisonettes E2.2d, E2.8-14, (E2.11-12), (E2.14)Hospitals E8.6-9, (E8.6)Smoke ventilation E10.13

Eurocodes see Structural EurocodesEuropean Community

Directives B intro 4see also CE mark of conformity; Construction Products Directive

European Economic Area B intro 2European Pre-standards C intro 4European Standards

Durability requirements B intro 5Fire reaction D1.3, (D1.3)Fire resistance D1.3, (D1.3)References A references

European Technical Approvals (B2.1-2)Exempted classes of buildings A reg 3, A schedule 1Existing buildings

Change of use definition A intro 4Change of use warrants A intro 4Determining notional boundaries D8.3Sound transmission H1.3

Timber bases with independent ceilings (H2.1-3) floor type 4Exits

Air supported structures E5.27Buildings of purpose groups 2-7 E4.1-2, E5.7, E5.9

Multiple exits E4.3, E5.7, E5.22bBuildings of purpose sub-group 2A E5.8, E5.10Creches in malls E7.8Definitions

Alternative exit A definitionsExit A definitions

Flats and maisonettes E2.2d, E2.7aAlternative exits E2.14-15, E2.18a, E2.20-23

Hospitals E8.3, E8.8-9Houses, Alternative exits E3.3a, E3.5, E3.7Shops in malls E7.3-4Signs E intro 7

Air supported structures E5.27cWidth and rate of discharge E intro 2

Expanded polystyrene slabs, Thermal conductivity of materials J Appendix A table A18Explosion doors, Flue openings F4.6 diagram, F4.7bExplosions

LPG storage containers F reg 15(2)(b), F7.4Unvented hot water storage systems P intro 2

Explosives, Buildings controlled by other legislation A schedule 1


Exposed, Definition A definitionsExtension of warrants A intro 4Extensions

Determining U-values J Appendix C4Maximum permitted areas of glazing J2.5d

External renderings, Thermal conductivity of materials J Appendix A table A18External temperature sensing devices J11.3dExternal walls

Calculation of areas J2.5Claddings, Resistance to precipitation (G3.1) wall type 3Definition A definitionsFire safety performanceConcealed spaces D6.2, D6.5, D6.8

Duration D2.1 table 2Single-storey buildings D2.1 table 1

Escape routes in flats and maisonettes D11.9Escape stair enclosures D11.10External escape stairs D11.7-8Fire spread between buildings D8.1-2, (D8.1)Fire spread on external walls D10.1-3, (D10.1)Junctions with separating walls or floors D5.9, D5.11Junctions with sub-compartment walls D4.8Periods of fire resistance (D1.3) table 1

Junctions for sound insulation floor types (H2.1-3) floor typesJunctions for sound insulation wall types (H2.1-3) wall typesSealing around joist ends built into inner leafs (J5.1)Thermal insulation requiring warrants A schedule 2see also Walls

Extract fans see Fans

FFactories Act 1961, Ventilation of buildings K intro 2, K reg 23(2)Factory waste R intro 4Fanned draught gas-fired appliances, Flue terminals (F6.10) table 1Fans

Conservation of fuel and power (J13.1), J Appendix KExtract, Ventilation of dwellings (K2.1)Replacement not requiring warrants A schedule 2Smoke and heat ventilation systems (D3.6-7)

Farm effluent tanks R intro 1b, R reg 31, R3.1-2, (R3.1-2)Fastenings, Securing doors across escape routes E2.5, E5.19-20, (E5.19-20)Fat discharges into drainage systems M2.7, (M2.7)Felt, Thermal conductivity of materials J Appendix A table A18Fencing

Farm effluent tanks R3.2, (R3.2)Height and exceptions to exempted classes A schedule 1

Fibre cement (G3.1) wall type 3, roof type 2Fibreboard, Thermal conductivity of materials J Appendix A table A18Filling contaminated land G AppendixFilter stations or beds, Exempted classes of buildings A schedule 1Filtration systems (M3.6)Fire alarms see Fire detection and alarm systems; Smoke alarmsFire Certificates (Special Premises) Regulations E reg 13(2)(b)Fire control rooms

Overriding controls for smoke and ventilation systems (D3.6-7)Shopping centres with malls E10.12

Fire control systems (D2.1, 5.1, 5.3-4, 8.1)Basement storeys E10.15, (E10.15)Compartment size D intro 3, D2.1 table 2

Single storey buildings D2.1 table 1Enclosed shopping centres (D2.1, 5.1, 5.3-4, 8.1)Hospitals D5.3-4Permitted levels of unprotected areas D8.1 table


Fire detection and alarm systemsActivating self-closing fire doors (D3.14, 4.7, 5.8, 6.7, 11.1-5)Buildings of purpose group 2 E11.2Buildings of purpose sub-group 2A (E11.2)Buildings of purpose sub-group 2B (E11.2)Dwellings E11.1b, (E11.1)

Flats and maisonettes E2.14b, (E2.14)Shopping complexes E11.3, (E11.3)

Silencing amplified music (E11.3)Shutters sealing compartment floors (D3.14)Smoke alarms compliance with EC Directives B intro 4

Fire doorsDefinitions

Fire doors A definitionsProtected door A definitionsSelf-closing fire door A definitions

Escape routes E5.19-20, (E5.19-20)Opening direction E5.18Smoke control in corridors E5.23

Escape stairs D11.7-9Fire resistance (D1.3) table 1Self-closing (D3.14, 4.7, 5.8, 6.7, 11.1-5)

Cavity barriers D6.7Escape route protection D11.1-5Openings in compartment walls D3.14Openings in separating walls D5.8Openings in sub-compartment walls D4.7Separating walls between flat or maisonette and protected lobby or protected zone D5.8

Fire loads of compartments D intro 3Fire mains E10.4-8, (E10.7-8)

DefinitionsDry fire main A definitionsWet fire mains A definitions

Hospital streets E10.4-5Shopping malls E10.6

Fire reaction D intro 5, D1.3b, (D1.3)Internal linings D7.1-4, (D7.1, 7.2, 7.4)

Fire resistanceDucts of passive stack ventilation systems K4.5Elements of structure D2.1Levels of fire safety performance D1.3a, (D1.3)

Fire risk see High risk buildings; Places of special fire riskFire spread see Spread of fire; Spread of fire to fuel tanksFire tests D intro 8, D1.3, (D1.3)

External cladding systems (D10.1)Thermoplastic materials (D7.2), (D9.1)

Fire valves, Oil supply pipes F7.3, (F7.3)Fire-fighting E intro 4, E reg 13(1)(b), E10.1-12, (E10.1-2)

Access E intro 1, E10.1, (E10.1)Indicator panels in shopping centres (E11.3)Vehicle access routes E intro 4, (E10.1)

Application of Part E E1Equipment E intro 1Manual operation of rolling shutters E10.16Manual override of automatic opening ventilators (E2.11-12)Overriding controls for smoke and ventilation systems (D3.6-7)Structural fire precautions D intro 2

Fire-fighting lifts E10.11, (E10.9, 10.11)Definition A definitionsProvision E10.4 table


Fire-fighting lobbies E10.9, E10.11a, (E10.4, 10.9), (E10.9, 10.11)Definition A definitions

Fire-fighting outlets E10.4Dry fire mains E10.5-6

Fire-fighting shafts E10.9-10, (E10.4, 10.9), (E10.9, 10.11)Definition A definitionsEnclosure D3.10Pressure differential control (E10.4, 10.9)Provision E10.4 tableWall and ceiling surfaces D7.1

Fire-stops (D3.14, 4.7, 5.8, 6.7, 6.9)Concealed spaces D6.7, D6.9Definition A definitionsJunctions between walls and roofs (D3.16, 5.10)Service openings D3.14, D4.7, D5.8Sound transmission

Joints between walls and roof (H2.1-3) wall typesTimber frame walls with absorbent curtains (H2.1-3) wall type 4

Fireplace opening areas (F4.5) diagram 2Flue sizes (F4.5) diagram 1

Fireplace recessesGas-fired combustion appliance installations (F6.16)Oil-fired combustion appliance installations (F5.12)Solid fuel combustion appliance installations F4.15-16, F4.21, (F4.17-19), (F4.21)

Hearths location within (F4.19)Fitness of materials B intro, B reg 10

Application of Part B B1Selection and use of materials and components B2.2, (B2.2)

Fixed ladders see LaddersFixed obstructions

Means of escape E5.22Storage areas E5.21

Fixed plant or machinery, Exempted classes of buildings A schedule 1Fixed seating

Means of escape E5.22Pedestrian protective barriers S4.3cTravel distances E5.5Wheelchair spaces S intro 7, S reg 32(2), S2.6f, S2.10

Fixtures not requiring warrants A reg 4, A schedule 2Flanking sound transmission H intro 2

Walls (H2.1-3) wall types 1-2Flat roofs

Avoiding ventilation of roof voids G intro 5Definition A definitionsEscape routes

Buildings of purpose groups 2-7 E5.9gFire safety performance D11.11Flats and maisonettes E2.2eHouses E3.7

Insulation thickness J Appendix A example 3Resistance to precipitation (G3.1) roof type 1

Flats and maisonettesAccess Q intro 3, Q2.1, Q2.5-10, (Q2.10)Application of Part E E1.3Application of Part Q Q1.2Changing use of elements and sound transmission H1.3Definitions

Flat A definitionsMaisonette A definitions

External walls past which there is an escape route D11.9Fire doors in separating walls D5.8


Means of escape E2.1-19Automatic opening ventilators E2.11-12, (E2.11-12)Ducted warm air heating E2.24Fire detection and alarm system (E2.14)Smoke ventilation of access corridors E10.14Storey height more than 4.5 m E2.20-23

Non-combustible materials for separating floors D5.6Non-combustible materials for separating walls D5.7Unheated parts exempt from Part J J reg 22(2)(b)

Flights see StairsFloating layers, Sound insulation (H2.1-3) floor types 2-3Flood levels of drainage systems (M2.4)Flood water

Drainage of sites G intro 3, G reg 16(2)(b), G2.2Reducing damage to buildings G Appendix

FlooringCombustible material on outer face of chimneys F4.15dResistance to impact sound transmission (H2.1-3) floor type 1Thermal conductivity of materials J Appendix A table A18

FloorsConservation of fuel and power

Calculation of areas J2.5Insulation thickness

Ground floors J Appendix A tables A12-14, examples 8-9Upper floors J Appendix A tables A15-17

Target U-value method J3.5, J Appendix FThermal conductivity of materials J Appendix A table A18U-values

Basement storeys J Appendix CFloors above unheated spaces J2.3Ground floors J Appendix C

Carbon emissions calculation method J8.9bHeat loss method J8.6a, J Appendix H

Definition A definitionsEscape past openings E5.25Fire safety performance D2.1, (D1.3)

Galleries D11.6Provision of cavity barriers D6.2, D6.8

Hazards from combustion appliancesGas-fired F6.16Oil-fired F5.12Solid-fuel F4.18

Impact sound transmission H reg 20(1)Internal transition units (Q2.7)Openwork and escape stairs E6.6Resistance to moisture from ground G2.6

Specified constructions (G2.3, 2.5-6)Sound insulation constructions (H2.1-3) floor types

Walls (H2.1-3) wall types 1-3Ventilation of sub-floors (G2.3, 2.5-6)see also Separating floors

Flow control devices, Space heating J11.2bFlue gases F intro 6

Gas-fired combustion appliance installations F6.14-15Oil-fired combustion appliance installations F5.8, (F5.8)Small combustion appliance installations (F3.6)

Flue-pipes F intro 3eDefinition A definitionsFixtures requiring warrants A schedule 2Gas-fired combustion appliance installations F6.1, F6.6, F6.9, (F6.6), (F6.9)

Protection from products of combustion F6.11-13, (F6.11), (F6.13)Relationship to combustible materials F6.14-15


Incinerators F3.13Large combustion appliance installations F2.1eOil-fired combustion appliance installations F5.1, F5.7-8, (F5.7)Openings in compartment walls and compartment floors D3.14Openings in separating walls and separating floors D5.8Openings in sub-compartment walls D4.7Penetrations of floors and sound transmission (H2.1-3) floor typesSmall combustion appliance installations F3.3Solid fuel combustion appliance installations F4.1, F4.12-13, (F4.12)

Back-entry appliances F4.6External fixing F4.9Separation from combustible materials F4.14

FluesBalanced, Fixtures requiring warrants A schedule 2Definition A definitionsGas-fired combustion appliance installations F6.5

Area of flues F6.7, (F6.7)Intermediate openings F6.8Outlets F6.10, (F6.10)Shared flues F6.5, (F6.5)

Liners, Chimneys of small combustion appliance installations F3.5aOil-fired combustion appliances installations F5.5

Direction changes F5.10Outlet position F5.10, (F5.10)

Separating walls and sound transmission (H2.1-3)Small combustion appliance installations F3.8, (F3.8)

Terminals and guards F3.4, (F3.4)Solid fuel combustion appliance installations

Protection from combustion products F4.11, (F4.11)Removal of combustion products F4.4-8, (F4.8)

Flue areas F4.5, (F4.5)Terminal outlets F4.10, (F4.10)

Separation from combustible materials F4.15-16Fluorescent lamps see LampsFoam systems of fire control (D2.1, 5.1, 5.3-4, 8.1)Food premises

Distance from dungsteads or farm effluent tanks R3.1c, (R3.1)Occupancy load factors A schedule 4Purpose groups A schedule 3Sanitary facilities (M4.4-5)

Foulwater see Drainage systems; WastewaterFoundations

Definition A definitionsStructural work (C2.1)

Fuel conservation see Conservation of fuel and powerFuel oil storage tanks see Liquid fuel storageFuels

Small combustion appliances using more than one type F3.2Solid F reg 14, F4.1

Fusible links, Activating shutters D3.14, (D3.14)

GGalleries

Definition A definitionsEscape stairs, External walls D11.8-9Floors

Fire safety performance D11.6Structural protection D2.1

Means of escape E5.24Escape stairs E6.6


Gangways S intro 6Fixed seating E5.22Floor fixtures E5.22Steps in sloping gangways S3.28Storage areas with fixed obstructions E5.21

GapsLimiting air infiltration J5.1, J10.1, (J5.1), (J10.1)Limiting thermal bridging J4.1, J9.1, (J4.1), (J9.1)

Edges of openings J Appendix DSound insulation H intro 4, (H2.1-3) wall typesU-value calculations J Appendix B

GaragesDisabled access S2.6gPurpose groups A schedule 3Separating walls and separating floors D5.1U-values of floors above or walls adjoining unheated spaces J2.3Ventilation of large garages K3.1, (K3.1)Ventilation of small garages K3.2, (K3.2)see also Domestic garages

Garden hutsAcceptable roof coverings D9.1Distance from boundaries D8.1bDuration of fire protection D2.1 table 1Exempted classes of buildings A schedule 1

Gas pockets, LPG storage containers F reg 15(2)(b), F7.4Gas storage see Liquid fuel storageGas-fired combustion appliance installations F6, (F6.2-7), (F6.9-11), (F6.13), (F6.16-17)

Energy rating efficiency J Appendix GGeometric method, Unprotected area calculations (D8.1)Glazed doors

Avoiding collisions with projections P2.1Disabled access S2.8cDwellings Q3.5Indicative U-values J Appendix A table A1Principal entrances S2.4c

Glazed screens, Situations in which hearing aids are necessary N2.2bGlazing

Collision hazards P intro 2, P reg 27(1)(b), P2.2, (P2.2)Conservation of fuel and power

Buildings of purpose groups 2-7Carbon emissions calculation method J8.9aElemental method J8.2-4, J Appendix EHeat loss method J8.5-6, (J8.5), J Appendix H

DwellingsConservatories J7.1Elemental method J3.2-3, J Appendix EMaximum permitted areas for extensions J2.5dMethods of compliance J3.1Target U-value method J3.8-9, J Appendix F

Indicative U-values for windows and rooflights J Appendix A tables A1-3U-values (J2.1)

Definition A definitionsPlastics D7.1, (D7.1)Roofs and rooflights (D9.1)

Going see StairsGrace periods, Activation of alarms in shops (E11.3)Grease discharges into drainage systems M2.7, (M2.7)


GreenhousesAncillary to dwellings

Acceptable roof coverings D9.1Exempted classes of buildings A schedule 1Fire spread D8.1

Definition A definitionsGreywater

Definition A definitionsDischarges to ground M intro 2, M2.8bInfiltration systems M3.5-6, (M3.5-6)

Grit interceptors M2.6-7, (M2.6-7)Ground assessment (M3.2), (M3.5)Ground floors

Junctions with walls (H2.1-3) wall types 1-3Provision of cavity barriers D6.2Resistance to moisture from ground (G2.3, 2.5-6)U-values J Appendix C

Carbon emissions calculation method J8.9bHeat loss method J8.6a, J Appendix HInsulation thickness J Appendix A tables A12-14, examples 8-9

Ground hydrants E10.2-3, (E10.2)Ground storeys see StoreysGround water

Drainage of sites G intro 3, G reg 16(2)(a)Infiltration systems (M3.5)

Gypsum, Thermal conductivity of materials J Appendix A table A18

HHandrails

Access to buildings S2.3bHeight of pedestrian protective barriers S4.3 tableMeasurement of stair width S3.4Stairs and ramps S3.20-24

Flights of tapered treads S3.15, (S3.15) tableHangers, Timber floors (H2.1-3) wall types 1-3Harbours, Exempted classes of buildings A schedule 1Hardcore G1.5, (G2.3, 2.5-6)Harmful or dangerous substances

Definition A definitions, G reg 16(4)Exceptions to exempted classes of buildings A schedule 1Preparation of sites G intro 2, G reg 16(1)(a), G2.1, G Appendix

Hatches see Access hatchesHazards P intro, P regs 27-8, P2, P3

Application of Part P P1see also Accidents; Equipment malfunctions; Explosions

Headroom, Stairs and ramps S3.25Health centres, Purpose groups A schedule 3Hearing aid systems N2.2, (N2.2)Hearing impairments see Disabled peopleHearths F intro 3e

Gas-fired appliances F6.1, F6.16, (F6.16)Oil-fired appliances F5.1, F5.11-12, (F5.11-12)Solid fuel appliances F4.17-20, (F4.17-19)

Construction of adjacent parts of buildings F4.18-19, (F4.19)Superimposed hearths (F4.18) diagram 2

Heat dumping, Combined heat and power systems, Heating system efficiency (J11.1)Heat exchangers, Hot water service controls (J6.2), (J11.5)


Heat lossEdges of openings J Appendix DMethod J intro 6, J8.5-6, (J8.5), J Appendix H

Heat pumps, Heating system efficiency (J11.1)Heating systems see Space heatingHeight and depth, Measurement A schedule 5Helical stairs see Circular stairsHigh risk buildings


see also Places of special fire riskHigh-bay storage see Storage buildings; Storage spacesHorizontal escape in buildings of purpose groups 2-7

Air supported structures E5.27Circulation in confined spaces E5.21-22Doors across escape routes E5.19-20, (E5.19-20)Escape past openings in floors E5.25Escape routes E5.9-11

Height E5.12Width E5.13-18

Galleries E5.24Places of special fire risk E5.26Smoke control in corridors E5.23, (E5.23)Travel distance E5.1-8

Hospital streets E8.9-10Definition A definitionsDry fire mains E10.5Entrances to intensive therapy units D4.5

HospitalsAccess for fire-fighting (E10.1)Automatic fire detection and alarm systems (E11.2)Cavities above operating theatres D6.2-3Definition A definitionsFire safety D intro 7Fire-fighting facilities E10.4-5Junctions between compartment walls and external walls D3.17Junctions between sub-compartment walls and external walls D4.8Means of escape E intro 6, E8.1-10, (E8.6)

Escape routes E5.9, E8.3-5Number of exits E4.1 tableTravel distances E5.3b

Separating walls and external walls D5.11Separating walls and separating floors D5.1d, D5.3Sub-compartmentation D intro 4, D4.4-5

Hot waterDischarges P intro 2, P reg 27(1)(e), P2.6Service systems

Commissioning J6.5, J14.1-2, (J14.1-2)Controls J6.2, J11.5, (J6.2), (J11.5)Information for occupiers J6.6, J14.2Insulation of pipes J6.3, J11.6, (J6.3-4), (J11.6)

Storage vessels, Thermal insulation J6.4, J11.7, (J6.3-4), (J11.7)Unvented storage system malfunctions P intro 2, P reg 28, P3.1 (P3.1)

Application of Part P P1.3Vessels, Definitions of storage packages and units (P3.1)

Hotels see Buildings of purpose sub-group 2BHouses

Conservation of fuel and powerSAP energy ratings and carbon indexes J Appendix GTarget U-value method illustrated J Appendix FWindow, door and rooflight areas J Appendix E


Definition A definitionsMeans of escape from fire E3.1-3

Purpose sub-group 1B E3.4-7Roofs of detached houses D9.1 tableSeparating walls of non-combustible materials D5.7see also Dwellings

Humidity sensitive ventilation inlet grilles K4.4aHydrants see Ground hydrants

IIlluminated signs see SignsIllumination levels, Escape routes E9.1Impact sound H reg 20, H2.2-3, (H2.1-3) standards, test proceduresImpairments see Disabled peopleImposed loads C2.1


Incinerators, Small combustion appliance installations F3.13Indicator panels, Fire-fighting accesses (E11.3)Industrial buildings


Occupancy load factors for production areas A schedule 4Purpose groups A schedule 3

Industrial processes, Insulation against heat loss J11.6-7Industrial stairs S intro 4, S3.1d, S3.26, (S3.26)Infiltration limitation J intro 8, J5.1, J10.1, (J5.1), (J10.1)Infiltration systems M3.5-7, (M3.2), (M3.5-7)Inflation equipment, Air supported structures E5.27dInlet breechings, Dry fire mains (E10.8)Inner rooms

Buildings of purpose groups 2-7 E5.9fDefinition A definitionsFlats and maisonettes E2.16

Emergency escape windows E2.17Houses E3.1

Emergency escape windows E3.2Innovative products and processes (B2.2)Inspection openings (Flues)

Gas-fired installations F6.8bSolid fuel installations F4.7c

Institutional buildings see Buildings of purpose group 2Insulation see Sound insulating materials; Thermal insulationIntegrally bunded tanks, Definition (F7.2c) tableIntensive therapy units

Entrances D4.5Location of hospital departments D5.3-4

Interior lighting see LightingInternal linings

Fire spread D7.1-4, (D7.1, 7.2, 7.4)Sealing gaps (J5.1)Sound insulation

Inclusion in calculations (H2.1-3)Inner leafs of external walls (H2.1-3) wall type 3

Thermal conductivity of materials J Appendix A table A18Internal transition units (Q2.7)International standards see StandardsInterstitial condensation G intro 6, G4.1, (G4.1)Inverted roofs see Warm deck roofsIsolating switches N2.1c


JJambs, Compensating for additional heat losses J Appendix DJoints

Factory-made chimneys F3.7cSound insulation constructions (H2.1-3) wall types 1-3Thermal bridging (J2.1), J Appendix B

JoistsRoof insulation thickness J Appendix A tables A4-5, examples 1-2Sealing around ends built into cavity walls (J5.1)Thermal bridging effects (J2.1)

Projecting beyond surface of insulation J Appendix B2Use of hangers for support (H2.1-3) wall types 1-3

Junctions between elementsCavity barriers D6.8-10Compartment walls and roofs D3.16, (D3.16, 5.10)Limiting infiltration (J5.1)Separating and compartment walls and floors D3.15Separating walls or floors and external walls D5.9, D5.11Separating walls or floors and separating walls D5.9Separating walls and roofs D5.10, (D3.16, 5.10)Sound insulation (H2.1-3) wall types, floor typesSub-compartment walls and external walls D4.8Thermal bridging

Buildings of purpose groups 2-7, J9.1, (J9.1)Dwellings J4.1, (J4.1)

KKerbs

Dropped S2.3cRaised S3.17b

Kiosks E7.1, E7.4Kitchens

Definition A definitionsDwellings Q reg 29(1)(d)

Cookers and activity spaces Q3.3Socket outlets Q3.9aStorage Q3.4Ventilation (K2.1) table

Fire control systems in hospitals D5.3Occupancy load factors A schedule 4Passive stack ventilation K4.5Separation from sleeping accommodation in flats and maisonettes E2.20dSub-compartmentation D4.2l

LLaboratories, Sub-compartmentation D4.2gLadders S intro 4, S3.1d, S3.26, (S3.26)

Agricultural buildings S3.1e, S3.27, (S3.27)Buildings of purpose groups 2-7

Escape routes E5.11, (E5.11)Vertical escape E6.2, E6.6

Flats and maisonettes, Escape routes E2.4gPortable, Cleaning windows and rooflights P2.4, (P2.4)

Lamps, Luminous efficacies (J12.1-2), J Appendix JLand in different occupations, Definition A definitionsLanding valves, Fire mains (E10.7-8)


Landings S3.18-19Escape stairs D11.8-9

Mattress evacuation (E8.6)Wheelchair spaces E2.9, E6.7

Headroom S3.25Passenger lifts (S2.6)

LaundriesFire control systems in hospitals D5.3Sub-compartmentation D4.2m

Legionella, Contamination in mechanical ventilation systems K4.10, (K4.10)Legionnaires’ disease see LegionellaLibraries, Purpose groups A schedule 3Licensed betting offices, Occupancy load factors A schedule 4Lift wells, Compartmentation of buildings D3.12Lifts (S2.6)

Avoiding controls affected by fire D3.13Escape routes E2.4a, E5.11aHeight of entrance doors to flats and maisonettes Q2.9Replacements not requiring warrants A schedule 2Sub-compartmentation of motor rooms D4.2hsee also Fire-fighting lifts

Light fittings with diffusers D7.1, D7.2, (D7.2)Lighting

Conservation of fuel and power J intro 7, J12.1-3, (J12.1-3), J Appendix JDwellings

Controlling switches on stairs Q3.8Points Q reg 29(2), Q3.7-8

Emergency E9.2, (E9.2)Definition A definitions

Escape routes E9.1Flats and maisonettes, Communal areas, Switches Q2.10b, (Q2.10)

Lightweight blocksThermal bridging (J2.1), J Appendix BThermal conductivity of materials J Appendix A table A18

Limestone, Thermal conductivity of materials J Appendix A table A18Limited life buildings, Definition A definitions, A reg 5Limiting infiltration see Infiltration limitationLintels, Minimum thermal resistance calculations J Appendix DLiquid fuel storage

Application of Part F F1Fuel oil storage tanks F intro 1, F reg 15(1), F7.1-3, (F7.1-3)LPG cylinders not requiring warrants A schedule 2LPG tanks F intro 1, F reg 15(2), F7.4-5, (F7.4-5)

Liquids retention, Hazardous materials D3.9Live fuel-effect gas appliances

Air for combustion (F6.3)Relationship to combustible materials (F6.16)Removal of products of combustion (F6.7)

Livestock accommodationAncillary to dwellings

Acceptable roof coverings D9.1Duration of fire protection D2.1 table 1Exempted classes of buildings A schedule 1

Surfaces of unprotected zones D7.1Loading bays

Conservation of fuel and power J Appendix HPlastics coverings (D9.1)Protective barriers not required S4.1b


Loads C intro 3, C reg 11(1), C2.1Calculation (C2.1)Definitions

Dead load A definitionsImposed load A definitionsWind load A definitions

LobbiesEntrances to intensive therapy units D4.5Internal lobbies accessible to disabled S2.9Protected

Buildings of purpose groups 2-7, Vertical escape E6.2, E6.10, E6.13-14Definition A definitionsFire doors in separating walls D5.8Flats and maisonettes E2.11, (E2.11-12)

Escape stairs in different purpose groups E2.14Hospitals, Escape stairs E8.7Non-combustible materials D11.12Places of special fire risk E5.26Within protected zones D11.2

see also Entrance lobbies; Fire-fighting lobbiesLockable doors

Across escape routes (E5.19-20)Buildings of purpose groups 2-5 E5.20Buildings of purpose groups 2-7 E5.19Flats and maisonettes E2.5

Separation of escape stairs D11.5Log-books, Conservation of fuel and power (J14.2)Low rise buildings see Single storey buildings; Small buildingsLow-emissivity glazing, Indicative U-values for windows and rooflights J Appendix A tables A1-3LPG storage see Liquid fuel storage

MMains supply see Electrical installationsMaintenance

Access to storeys for plant, Escape stairs from topmost storeys E6.2Buildings not frequented by people A schedule 1Drainage systems discharging to wastewater treatment plant (M3.4)Fitness of materials B intro 1Flues and gas-fired installations F6.8bFlues and solid fuel appliances F4.8, (F4.8)Information for users on services systems J6.6, J14.2, (J14.2)Requirements affecting fitness for purpose B2.2

Maisonettes see Flats and maisonettesMalls

Automatic fire control systems (D2.1, 5.1, 5.3-4, 8.1)Dry fire mains E10.6Fire control rooms E10.12Fire detection and alarm systems E11.3, (E11.3)Fire spread on wall and ceiling surfaces D7.1 tableMeans of escape E7.1-8

Smoke and heat exhaust ventilation E6.9eTravel distances E5.2

Occupancy load factors A schedule 4Sanitary facilities (M4.5)Separating walls and separating floors D5.1b, D5.5Smoke and heat exhaust ventilation D3.7, (D3.6-7)

Manual controls, Windows and rooflights P reg 27(1)(f), P2.7


Manual operationAutomatic opening ventilators (E2.11-12)Rolling shutters E10.16

Manual override, Smoke and ventilation systems (D3.6-7)Manufacturing procedures, Selection and use of materials and components (B2.2)Mark of conformity see CE mark of conformityMasonry

Joints, Thermal bridging (J2.1), J Appendix BMass of leaf (H2.1-3)Resistance to precipitation (G3.1) wall typesSound insulation constructions (H2.1-3) wall typesStructural work (C2.1)

Disproportionate collapse (C3.1)Thermal insulation thickness J Appendix A examples 4-6

Masonry unitsConstructions for sound insulation (H2.1-3) wall types 1-3Density and sound insulation (H2.1-3)Thermal conductivity J Appendix A table A18

MaterialsCladdings (G3.1) wall type 3Designations for roof coverings (D9.1)Fire reaction (D1.3)Flue-pipes (F4.12), (F6.9), (F6.11)Non-combustible D2.3, (D1.3) table 3

Chimney casings F3.7aConcealed spaces D6.2Core of sandwich panels D7.3Definition A definitionsEscape stairs D11.12External walls

More than 18 m above ground D10.2Near to boundaries D8.2

Flue-pipe casings F6.12Separating floors D5.6Separating walls D5.7Supporting fire-stopping materials (D3.14, 4.7, 5.8, 6.7, 6.9)

Properties and safety of structure C intro 1)Providing firm surface for disabled (S2.3)

Dwellings (Q2.4)Sound insulating (H2.1-3) wall types, floor typesThermal conductivity J2.1, (J2.1), J Appendix A table A18see also Fitness of materials

Means of access see AccessMeans of escape from fire E intro, E reg 13

Application of Part E E1Buildings of purpose groups 2-7

Exits and escape routes E4.1-5Horizontal escape E5.1-27Vertical escape E6.1-14

Emergency escape windows E2.17, E3.2, (E2.17, 3.2)Enclosed shopping centres E7.1-8Flats and maisonettes E2.1-19, (E2.11-12), (E2.14)

More than 4.5 m in height E2.20-23Hospitals E8.1-10, (E8.6)Houses E3.1-7Lighting E9.1-2Places of special fire risk E4.4Revolving, sliding or automatic doors (E2.4, 5.11)Smoke ventilation of escape routes E10.13-14


MeasurementClear opening width of doorways E5.15Operational energy consumption J Appendix K1.3.1Rules A schedule 5Sound insulation tests (H2.1-3) test proceduresStairs

Rise and going S3.2Width S3.4

Thermal conductivity (J2.1)Thermal transmittance (J2.1)Travel distances

Buildings of purpose groups 2-7 E5.2-6Flats and maisonettes E2.15

Mechanical ventilation see VentilationMeeting rooms, Occupancy load factors A schedule 4Metals

Flat roofs, Specified constructions (G3.1) roof type 1Lintels and minimum thermal resistance J Appendix DPitched roofs, Specified constructions (G3.1) roof type 2Sheet metal walls and roofs J Appendix B4Structural work (C2.1)b

Disproportionate collapse (C3.1)Window frames

Conservation of fuel and powerBuildings of purpose groups 2-7, Elemental method J8.3Dwellings

Elemental method J3.2 table 1Methods of compliance J3.1

Indicative U-values J Appendix A tables A2-3Mineral fibres

Absorbent blankets (H2.1-3) floor type 3Absorbent curtains (H2.1-3) wall type 4Resilient layers (H2.1-3) floor types 2-3Resilient strips (H2.1-3) floor type 3

Mineral wool, Thermal conductivity of materials J Appendix A table A18Misuse, Disproportionate collapse (C3.1)Mixed occupations, Separating walls and separating floors D5.1Mixed use

Escape stairs serving flats and maisonettes and other accommodation E2.14Minimum number of sanitary facilities (M4.5)Separating walls and separating floors D5.1c

Mobile homes, Exempted classes of buildings A schedule 1Moisture resistance G reg 17, G2.5-6

From ground G2.5-6, (G2.3, 2.5-6)Precipitation G3.1, (G3.1)

Mortar jointsSound insulation constructions (H2.1-3) wall types 1-3Thermal bridging (J2.1), J Appendix BThermal conductivity of mortar J Appendix A table A18

Motor vehicle repair, Purpose groups A schedule 3Mould see CondensationMound filter systems (M3.6)Movement within buildings see AccessMulti-storey buildings

Compartments D3.2Concealed spaces D6.5Fire safety performance D2.1 table 2Fire-fighting facilities E intro 4, E10.4 tableInsulation within cavities of external walls D10.2


Means of escapeBuildings of purpose groups 2-7 E6.14Flats and maisonettes E2.20-24Hospitals E8.1Houses E3.1, E3.4-7

see also StoreysMuseums

Occupancy load factors A schedule 4Purpose groups A schedule 3

NNational Application Document for Eurocodes C intro 4National standards see British Standards; StandardsNatural air changes see Air changesNatural draught open-flued gas-fired appliances, Flue terminals (F6.10) tables 1-2Natural ventilation see VentilationNet output ratings, Definition A definitionsNewels see StairsNoise see Sound transmissionNon-combustible materials D2.3, (D1.3) table 3

Chimney casings F3.7aConcealed spaces D6.2Core of sandwich panels D7.3Definition A definitionsEscape stairs D11.12External walls


Flue-pipe casings F6.12Separating floors D5.6Separating walls D5.7Used with fire-stopping materials (D3.14, 4.7, 5.8, 6.7, 6.9)

Non-return shutters see ShuttersNosings see StairsNotices served under section 11

Access and facilities for dwellings Q reg 29(3)Access to and movement within buildings S reg 32(4)Means of escape from fire E reg 13(2)Resistance to transmission of sound H reg 21Sanitary facilities M reg 25(3)Storage of waste R reg 30(3)Structural fire precautions D reg 12(2)

Notified bodies, Definition A definitionsNotional boundaries D8.3Nuclear installations, Controlled by other legislation A schedule 1

OOccupancy capacity A reg 7

Air supported structures E5.27Capacity of escape stairs E6.4Circulation areas in buildings of purpose group 4 E5.22Communal rooms E2.7Definition A definitionsExits from shops E7.2-4Exits to unprotected zones E4.3Fire doors across escape routes E5.18, E5.20Number of escape routes E intro 2Number of exits E4.1Travel distances E5.3Width of escape routes E5.13-14

Shopping centres with malls E7.2-7


Occupancy hoursAir conditioning and ventilation plant operation J Appendix KArtificial lighting J12.3, (J12.3)

Occupancy load factors A reg 7(1)(a), A schedule 4Occupations

DefinitionsDifferent occupation A definitionsLand in different occupation A definitions

Two buildings on land in same occupation D8.3see also Mixed occupations; Mixed use

OccupiersDefinition A definitionsLog-books J14.2, (J14.2)

Office buildingsCompartmentation D2.1 table 2

Single storey buildings D2.1 table 1Conservation of fuel and power

Energy efficiency (J13.1), J Appendix KHeat loss method J Appendix H

Purpose groups A schedule 3Offices

Dwellings above D5.6Escape stair protected zones E6.8Occupancy load factors A schedule 4Separation from escape stairs D11.5

Oil discharges into drainage systems M2.7, (M2.7)Oil storage see Liquid fuel storageOil-fired combustion appliance installations F5, (F5.2-4), (F5.7-8), (F5.10-13)Open access balconies

Downstand from soffit E2.13Protected lobbies E2.11Smoke ventilation E10.14

Open fires, Minimum area of flues (F4.5)Open spaces see Public open spacesOpen-flued combustion appliances

Air for combustion or cooling F3.11, (F3.11)Fanned draught (F6.10) table 1Natural draught (F6.10) tables 1-2Ventilation of dwellings (K2.1) table

OpeningsCavity barriers D6.7, (D3.14, 4.7, 5.8, 6.7)Compartment walls and compartment floors D3.14, (D3.14, 4.7, 5.8, 6.7)

Chimneys of small combustion appliance installations F3.7aFlue-pipes of gas-fired installations F6.12Manual operation of rolling shutters E10.16

Conservation of fuel and powerBuildings of purpose groups 2-7

Carbon emissions calculation method J8.9aElemental method J8.2-4, J Appendix EHeat loss method J8.5-6, (J8.5), J Appendix HThermal bridging J9.1, (J9.1)

Calculations of areas J2.5eDwellings

Elemental method J3.2-3, J Appendix ELimiting infiltration (J5.1)Methods of compliance J3.1Target U-value method J3.9, J Appendix FThermal bridging J4.1, (J4.1)

Indicative U-values J Appendix A tables A1-3Thermal bridging at edges of openings, J Appendix D

Doors from hospital street to adjoining compartment E8.10Escape route protection D11.1-5, D11.7-8


Escape routesDoorways E5.15Headroom E2.3, E5.12Past openings in floors E5.25Smoke control in corridors E5.23Smoke ventilation E10.13Travel distances E5.3-4

Fire safety performance of suspended ceilings (D1.3)Separating walls and separating floors D5.8Separation from flue outlets

Gas-fired installations (F6.10)Oil-fired installations (F5.10)

Sound transmissionExternal walls and floors (H2.1-3) floor type 1Separating walls (H2.1-3)

Sub-compartments D4.7Unprotected areas D8.1Ventilation of large garages (K3.1)see also Services

Operating theatresCavity barriers D6.2, D6.3Location of hospital departments D5.3-4

Optimising controls, Space heating J11.3Organic matter, Preparation of sites G intro 2, G reg 16(1)(c), G2.3Orientation, Dwellings J3.9, J Appendix FOutdoor signs see SignsOutfalls, Discharges from drainage systems M2.9c, (M2.9)Outlets, Private wastewater treatment plant M3.2, (M3.2)Over-roof insulation see Thermal insulationOvercladding, Requirements for cavity barriers D6.2, D6.8Overcurrents see Electrical installations

PPaint spray booths D3.8, (D3.8)Panels

Rainscreen, Ventilated voids D6.5Solid masonry between (H2.1-3) wall type 3

Parking garages see GaragesParking spaces see Car parking; Vehicle parkingPartial cavity fill see Cavity fill (Partial)Particleboard see Wood based boardsPartitions, Sound insulation constructions (H2.1-3) wall typesPassenger conveyors

Definition A definitionsEmergency stopping mechanisms P intro 3, P reg 27(1)(d), P2.5, (P2.5)Escape routes E2.4b, E5.11b

Passenger lifts see LiftsPassenger shelters, Exempted classes of buildings A schedule 1Passive stack ventilation K4.3-5, (K4.3)

Dwellings K2.1c, (K2.1) tablePathology departments, Fire control systems D5.4ePaths, Access to dwellings (Q2.4)Paving materials

Access to buildings (S2.3)Access to dwellings (Q2.4)

Peak load effects C intro 3Peat see FuelsPedestrian protective barriers see Protective barriersPedestrian ramps see RampsPends D5.6Penetration by services see ServicesPercolation tests (M3.2), (M3.5-6)


Performance standardsFire safety D1.3, (D1.3)Sound insulation (H2.1-3) standards

Period of validity of warrants A intro 4Periodic renewal, Practicable replacement B2.2Periods of fire resistance see Fire resistancePermanent ventilation see VentilationPermanent ventilators see VentilatorsPermissible areas see AreasPharmacy departments, Fire control systems D5.4fPhenolic foam boards, Thermal conductivity of materials J Appendix A table A18Physical impairments see Disabled peoplePiped infiltration systems (M3.6)Pipelines, Exempted classes of buildings A schedule 1Pipes

Connections for ground hydrants E10.3Floor penetrations and sound transmission (H2.1-3) floor typesOutlets from hot water storage systems P intro 2, (P3.1)Separating walls and sound transmission (H2.1-3)Service openings in cavity barriers D6.7cService openings in walls and floors (D3.14, 4.7, 5.8, 6.7)

Compartment walls and floors D3.14dSeparating walls and floors D5.8dSub-compartment walls D4.7c

Thermal insulation J6.3, J11.6, (J6.3-4), (J11.6)Wastewater and surface water drainage M intro 2, (M2.4)see also Flue-pipes

Pitch see StairsPitched roofs

Insulation thickness J Appendix A examples 1-2Resistance to precipitation (G3.1) roof type 2Slope and calculation of storeys C reg 11(3)Wall junctions (D3.16, 5.10)

Places of safety E intro 2-3Definition A definitions

Places of special fire risk D3.8-9Definition A definitionsEscape routes

Independence E4.4Inner rooms E5.9fSeparation by protected lobbies E5.26

Location of large combustion appliance installations F intro 8Smoke outlets from basement storeys (E10.15)

Places of worship, Purpose groups A schedule 3Plant

Log books (J14.2)Top storey location, Width of escape stairs E6.2

Plant roomsEscape routes

Flats and maisonettes E2.1cRooftop E5.9g

PlasterInclusion in sound insulation calculations (H2.1-3)Thermal conductivity of materials J Appendix A table A18

PlasterboardSolid masonry between panels (H2.1-3) wall type 3Thermal conductivity of materials J Appendix A table A18

PlasticsRoof coverings and rooflights (D9.1)Windows and internal glazing D7.1, (D7.1)see also Thermoplastic materials

Platform floors, Sound insulation (H2.1-3) floor type 3


Platt, Accessible entrances Q2.6, (Q2.7)Polycarbonate sheet

Roof coverings or rooflights (D9.1)Thermoplastic products (D7.2), (D9.1)Windows and internal glazing (D7.1)

Polyurethane boards, Thermal conductivity of materials J Appendix A table A18Porches

Buildings attached to dwellings exemptions A schedule 1Definition A definitionsDuration of fire protection D2.1 table 1

Portable ladders see LaddersPortal frames, Fire safety performance (D1.3)Powder systems of fire control (D2.1, 5.1, 5.3-4, 8.1)Power supply, Smoke and heat ventilation systems (D3.6-7)Powered lifting platforms (S2.7)Precipitation resistance G reg 17(1)(b), G3.1, (G3.1)Presence detectors, Lighting controls (J12.3), J Appendix JPressure jet burners, Removal of products of combustion from oil-fired appliances F5.5, F5.9Pressurisation, Corridors E5.23, (E5.23)Prestressed concrete structural work (C2.1)

Disproportionate collapse (C3.1)Principal entrance storeys

Buildings of purpose groups 2-7 S2.6Dwellings Q intro 4, Q2.12

Principal entrances see EntrancesPrivate stairs see StairsProducts see Construction Products Directive; Fitness of materialsProjecting joists, U-values of structures J Appendix B2Projections, Collisions P intro 2, P reg 27(1)(a), P2.1Proscenium openings D11.13, (D11.13)Protected circuits

Definition A definitionsLighting escape routes E9.1Smoke alarms (E11.1)

Protected doors, Definition A definitionsProtected enclosures

Definition A definitionsFire safety performance D11.3Flats and maisonettes E2.11, E2.19

More than 5 m in height E2.20-21, E2.23aHouses of purpose sub-group 1B E3.4, E3.6

Protected lobbiesBuildings of purpose groups 2-7, Vertical escape E6.2, E6.10, E6.13-14Definition A definitionsFlats and maisonettes D5.8, E2.11, (E2.11-12)

Separation of escape stairs in different purpose groups E2.14Hospitals, Escape stairs E8.7Non-combustible materials D11.12Places of special fire risk E5.26Within protected zones D11.2

Protected zones E intro 2Buildings of purpose groups 2-7

Escape routes E4.3-4Horizontal escape E5.9, E5.24, E5.26Vertical escape E6.2, E6.6-14

Calculation of unprotected areas (D8.1)Definition A definitionsFire safety performance of enclosing structure D11.1Flats and maisonettes E2.2

Escape stairs E2.8-11Flats or maisonettes, Separating walls and floors D5.8


HospitalsEscape stairs E8.7Hospital streets E8.9aSeparating walls and floors D5.1d

Lighting E9.1-2Refuges for wheelchair users E intro 3cWall dividing protected lobby from rest of protected zone D11.2

Protective barriers S intro 3, S reg 32(3)Cleaning windows and rooflights (P2.3)Pedestrians S4.1-3, (S4.3)Vehicles S4.4-5, (S4.5)

Public housesArtificial lighting J Appendix JPurpose groups A schedule 3Sanitary facilities (M4.5)

Public open spaces, Definition A definitionsPublic roads see RoadsPublic sewers see SewersPublic toilets, Purpose groups A schedule 3Publications, References A referencesPugging see DeafeningPumping appliances

Alternative sources of water (E10.2)Dry fire mains E10.8Wet fire mains E10.7

Purpose groupsClassification A reg 6, A schedule 3Definition A definitions

PVCThermoplastic products (D7.2), (D9.1)Windows and internal glazing (D7.1)

QQueuing areas, Occupancy load factors A schedule 4Quick response sprinklers see Sprinkler systems

RRacking, Fixed obstructions and means of escape E5.21Radiator valves see ThermostatsRadiators, Width of accessible corridors (Q2.11)Radon protection measures (G2.1), G AppendixRafters, Insulation between and over J Appendix A tables A4-5, example 1Railway stations, Purpose groups A schedule 3Rainscreen panels D6.5Rainwater see Surface waterRaised kerbs see KerbsRamps S intro 3, S3.16-17

Access between storeys of dwellings Q2.13Access to dwellings (Q2.4)Disabled access S2.7aHandrails S3.20-24Headroom S3.25Landings S3.18-19

Reasonably practicable, Definition A definitionsReception rooms

Escape stair protected zones E6.8Separation from escape stairs D11.5

Record storesHospitals D5.4dSub-compartmentation D4.2

Recycling see Waste managementReed beds, Infiltration systems (M3.6)


Refrigeration plant, Conservation of fuel and power J13.1, J Appendix KRefuges for disabled people E intro 3c, E2.9, E6.7Relevant standards

Compliance A reg 9Definition A definitions

Relief air openings, Gas-fired installations F6.8aRemote control of lighting (J12.3)Removal of contaminants G AppendixRenders

Inclusion in sound insulation calculations (H2.1-3)Masonry walls and resistance to precipitation (G3.1)Thermal conductivity of materials J Appendix A table A18

Replacement practicability B2.2Replacements of fixtures or appliances not requiring warrants A schedule 2Rescue see Fire-fightingResidential accommodation see Buildings of purpose group 2; DwellingsResilient materials (H2.1-3) floor types 1-3Resistance to moisture see Moisture resistanceRestaurants

Disabled access S2.6hOccupancy load factors A schedule 4Purpose groups A schedule 3Sanitary facilities (M4.4-5)

Retailing see Buildings of purpose group 4; Shopping complexes; ShopsRevolving doors S2.4d

Escape routes (E2.4, 5.11)Buildings of purpose groups 2-7 E5.11eFlats and maisonettes E2.4e

Ribbed floors, Sound insulation (H2.1-3) floor type 3Rise see StairsRisers see StairsRisks see Accidents; Equipment malfunctions; Explosions; HazardsRiver flooding see Flood waterRoads

Access to dwellings Q intro 1, Q reg 29(1)(a), Q2.1, (Q2.1)Definition of public road A definitions

Roof access hatches see Access hatchesRoof coverings

Fire precautions D9.1, (D9.1)Junctions between walls and roofs (D3.16, 5.10)

Flue terminal outlets (F4.10) diagram 2Insulation thickness J Appendix A table A7, examples 1-3Resistance to precipitation (G3.1) roof typesThermal conductivity of materials J Appendix A table A18

Roof spaceCavity barriers D6.1, D6.3, D6.10Changes in wall construction (H2.1-3) test proceduresConservation of fuel and power J3.2, J Appendix A table A7 examples 1-2Definition A definitionsDwellings and integral or attached garages D5.2Factory-made chimneys F3.7b, (F3.7)Insulation of passive stack ventilation K4.4bJunctions with walls (H2.1-3) wall types 1-3Ventilation in flat roofs G intro 5

RooflightsAccess to manual controls P reg 27(1)(f), P2.7Cleaning P reg 27(1)(c), P2.3-4, (P2.3-4)Conservation of fuel and power

Buildings of purpose groups 2-7Carbon emissions calculation method J8.9aElemental method J8.2-4, J Appendix EHeat loss method J8.5-6, (J8.5)


DwellingsDraught seals (J5.1)Elemental method J3.2-3, J Appendix EMethods of compliance J3.1

Fire precautions D9.1, (D9.1)Thermoplastic materials D7.1, D7.2, (D7.2), (D9.1)

Indicative U-values J Appendix A tables A1-3Roofs

Access P intro 2, P reg 27(1)(g), P2.8, (P2.8)Buildings of sub-purpose group 2A with lower roof abutting external wall D10.3Condensation prevention G intro 5Definition A definitionsEscape routes

Buildings of purpose groups 2-7 E5.9gFire safety performance D11.11Flats and maisonettes E2.2eHouses E3.7

Fire resistance periods (D1.3) table 1Fire spread from adjoining buildings D9.1, (D9.1)Impact sound transmission H intro 2, H reg 20(2), H1.4Junctions with compartment walls D3.16, (D3.16, 5.10)Junctions with separating walls D5.10, (D3.16, 5.10)Junctions with walls, Sound insulation constructions (H2.1-3) wall typesResistance to precipitation (G3.1)Slope and number of storeys C reg 11(3)Thermal conductivity of materials J Appendix A table A18Thermal insulation thickness J Appendix A tables A4-7, examples 1-3Treated as rooms for purpose of Part E E1.4Two buildings on land in same occupation D8.3bVentilators (D3.6-7)

Room thermostatsCentral heating controls J6.1a, J11.3a, (J6.2), (J11.5)Ducted warm air heating E2.24e

Room-sealed appliancesDefinition A definitionsGas-fired (F6.10)Oil-fired F5.3, F5.6

Rooms, Definition A definitionsRun-off see Surface water

SSafe-life structures (C2.1)Safety controls see Equipment malfunctionsSafety curtains D11.13, (D11.13)

Escape from stage and auditorium E4.5Safety devices, Unvented hot water storage systems P intro 2, P reg 28(1), (P3.1)Safety factors C intro 2Sand, Deafening (H2.1-3) floor type 3Sandstone, Thermal conductivity of materials J Appendix A table A18Sandwich panels D7.3-4, (D7.4)

Definition A definitionsSanitary accommodation

Buildings ancillary to dwellings exceptions A schedule 1Buildings other than dwellings M4.6-9, (M4.4-5)

Bedrooms M4.8, (M4.8)Changing cubicles M4.7, (M4.7)Watercloset cubicles M4.6, (M4.6)

Definition A definitionsGeneral requirements for toilets M4.10Protected enclosures D11.3see also Bathrooms; Shower-rooms; Toilets; Washrooms


Sanitary facilities M intro 5, M reg 25Activity space M4.3Application of Part M M1Buildings other than dwellings M4.4-5, (M4.4-5)

Minimum facilities for staff M4.4, (M4.4)Definition A definitionsDisabled people M intro 6

Buildings other than dwellings (M4.4-5)Dwellings Q intro 5

Accessibility M intro 6, M4.3Dwellings M4.1-3, (M4.1-2)

Minimum number (M4.1)Fixtures not requiring warrants A schedule 2General requirements for toilets M4.10

SAP energy ratings J intro 4, J Appendix Gsee also Seasonal efficiency of domestic boilers

Sarking, Combustible material on outer face of chimneys F4.15dSchools, Sanitary facilities M intro 1, M reg 25(2), (M4.5)Scottish Environment Protection Agency M intro 4, (M2.9), (M3.2), (M3.5-6)Screeds

Sound insulation constructions (H2.1-3) floor types 1-2Thermal conductivity of materials J Appendix A table A18

Sealing contaminated land G AppendixSealing devices and systems

Fire-stopping (D3.14, 4.7, 5.8, 6.7, 6.9)Service openings (D3.14, 4.7, 5.8, 6.7)

SealsLightweight aggregate blocks (H2.1-3) wall type 3Limiting air infiltration (J5.1)

Seasonal efficiency of domestic boilersConservation of fuel and power

Elemental method J3.2 table 2Methods of compliance J3.1Target U-value method J3.5-6, J Appendix F

Seating see Fixed seatingSecondary glazing see GlazingSelection and use of materials and components B2

Practical replacement B2.2Self-closing fire doors, Definition A definitionsSeparating floors

Chimneys of small combustion appliance installations F3.7aDefinition A definitionsFire resistance (D1.3) table 1Flue-pipes of gas-fired installations F6.12Ignored in calculating U-values J2.4Junctions with walls D5.9Non-combustible materials D5.6Openings D5.8Provision D5.1-5Sound transmission H intro 2, H1.3, (H2.1-3) wall types, floor types

Separating wallsChimneys of small combustion appliance installations F3.7aDefinition A definitionsFire resistance (D1.3) table 1Flue-pipes of gas-fired installations F6.12Garages ancillary to dwellings D5.2b, D5.7cIgnored in calculating U-values J2.4Junctions with roofs D5.10, (D3.16, 5.10)Junctions with walls and floors D5.9, D5.11Non-combustible materials D5.7Openings D5.8Provision D5.1-5Sound transmission intro 2, H1.3, (H2.1-3) wall types, floor types


Separation distancesDungsteads or farm effluent tanks from dwellings or food premises R3.1c, (R3.1)Fire spread D intro 6

Buildings ancillary to dwellings D8.1bCalculation of unprotected areas (D8.1)Duration of external walls D2.1 table 2, D8.1-2From adjoining buildings D9.1Single storey buildings D2.1 table 1Two buildings on land in same occupation D8.3

Infiltration systems (M3.7)LPG storage containers F7.4-5, (F7.5)Oil storage tanks F7.2, (F7.2)Wastewater treatment systems M3.1d, (M3.1)

Septic tanks M3.1-4, (M3.1-4)Discharges from drainage systems M2.8bExceptions to exempted classes of buildings A schedule 1Infiltration systems M3.5-7, (M3.5-7)

Sequence controls, Multiple boiler installations J11.3eService corridors, Escape from shops E7.6-7Services

Commissioning J6.5-6, J14.1-2, (J14.1-2)Energy efficiency J13.1, (J13.1)

Office buildings J Appendix KFloor penetrations and sound transmission (H2.1-3) floor typesInformation for occupiers J14.2, (J14.2)Insulation of pipes and ducts J6.3, J11.6, (J6.3-4), (J11.6)Openings

Cavity barriers D6.7, (D3.14, 4.7, 5.8, 6.7)Compartment walls and compartment floors D3.14Definition of service opening A definitionsSeparating walls and separating floors D5.8Sub-compartment walls D4.7

Sealing penetrations (J5.1)Separating walls and sound transmission (H2.1-3)Timber frame walls with absorbent curtains (H2.1-3) wall type 4see also Hot water; Lighting; Space heating

Sewage treatment worksExempted classes of buildings A schedule 1see also Wastewater treatment plant

SewersDischarges from drainage systems M2.8a, M2.9bExempted classes of buildings A schedule 1

ShaftsSmoke venting D3.11

Basement storeys (E10.15)see also Fire-fighting shafts

Shared residential accommodationDefinition A definitionsNon-combustible materials D5.6, D5.7, D8.2Protected zones D11.1

Sheathing, Resistance to precipitation (G3.1) wall type 3Sheds, Exempted classes of buildings A schedule 1Shelters (Exempted classes)

Road or rail passenger A schedule 1Within curtilage of dwellings A schedule 1

Shelving, Fixed obstructions and means of escape E5.21Shielding LPG tanks (F7.5b) table, diagram 1Shingle roof coverings, Flue terminal outlets (F4.10) diagram 2


Shopping complexesCreches E7.8Dry fire mains E10.6Fire control rooms E10.12Fire control systems (D2.1, 5.1, 5.3-4, 8.1)Fire detection and alarm systems E11.3, (E11.3)Fire spread on wall and ceiling surfaces D7.1 tableMeans of escape E7.1-8

Smoke and heat exhaust ventilation E6.9eTravel distances E5.2

Occupancy load factors A schedule 4Rules of measurement A schedule 5Sanitary facilities (M4.5)Separating walls and separating floors D5.1b, D5.5Smoke and heat exhaust ventilation D3.7, (D3.6-7)Warnings of fire E intro 1, reg 13(1A)Width of circulation areas E5.22c

ShopsDisplay lighting (J12.3)Dwellings above D5.6Sales areas A schedule 4

Occupancy load factors A schedule 4Sanitary facilities (M4.5)Width of circulation areas E5.22cWithin enclosed shopping centres

Activation of alarms (E11.3)Means of escape E7.1-8

Travel distances E5.2Opposing frontages D5.5

see also Buildings of purpose group 4Shower-rooms

Trickle ventilators K4.1b, (K4.1)Ventilation for dwellings (K2.1) table

Showers see Sanitary facilitiesShutters

Compartment floors D3.14, (D3.14)Compartment walls D3.14

Manual operation of rolling shutters E10.16Travel distances E5.3a

Escape routes E2.4d, E5.11dFire resistance (D1.3) table 1Sub-compartment walls, Travel distances E5.4a

Sight impairments see Disabled peopleSignalling and control centres, Exempted classes of buildings A schedule 1Signs

Accessibility of roofs P2.8, (P2.8)Air supported structures E5.27cDirectional E intro 7Fire exits E intro 7Fixtures not requiring warrants A schedule 2Shutters sealing compartment floors (D3.14)Smoke outlets from basements (E10.15)

Sills, Calculating areas of openings J2.5eSilt discharges into drainage systems M2.6-7, (M2.6-7)Simple geometry method, Unprotected area calculations (D8.1)Single storey buildings

Dry fire mains E10.5-6Fire safety performance of portal frames (D1.3)Structural fire protection D2.1 table 1see also Air supported structures


Site drainage G intro 3, G reg 16(2), G2.2, G2.4, (G2.2)Sites

Definition A definitionsPreparation G intro 1-3, G reg 16, G2, (G2.1-2), G Appendix

Specified constructions (G2.3, 2.5-6)Skirtings, Floors with floating layer (H2.1-3) floor type 2Slates

Roof coverings (G3.1) roof type 2Wall claddings (G3.1) wall type 3

Sleeper walls, Underfloor ventilation (G2.3, 2.5-6)Sleeping accommodation

Buildings of purpose group 2, Occupancy capacity A reg 7(2)(a)Buildings of purpose groups 2-7, Sanitary accommodation for disabled M4.8, (M4.8)Buildings of purpose sub-group 2A, Sub-compartmentation D4.2-3Buildings of purpose sub-group 2B A schedule 3

Cavities above ceilings D6.4Sub-compartmentation D4.6

Dwellings Q reg 29(1)(c), Q3.1-2Exceptions to exempted classes A schedule 1Means of escape

Buildings of purpose sub-group 2A E5.10Flats and maisonettes

Alternative exits for maisonettes E2.23Separation from kitchens and other apartments E2.20d

Hospitals E8.4-6, (E8.6)Smoke alarms in shared residential accommodation (E11.2)

Sliding doorsEscape routes (E2.4, 5.11)

Buildings of purpose groups 2-7 E5.11fFlats and maisonettes E2.4f

Slumber loads, Solid fuel boilers (J11.5)Small buildings

Artificial lighting J12.1cExempted classes A schedule 1Space heating controls (J11.3)Structure (C2.1)see also Single storey buildings

Smoke alarmsCompliance with EC Directives B intro 4Definition A definitionsDwellings E11.1a, (E11.1)Shared residential accommodation (E11.2)

Smoke dampers, Activation in enclosed shopping centres (E11.3)Smoke detectors

Activating self-closing fire doors (D3.14, 4.7, 5.8, 6.7, 11.1-5)Automatic opening ventilators (E2.11-12)Ducted warm air heating in flats and maisonettes E2.24fShutters sealing compartment floors (D3.14)

Smoke and fumes D reg 12(1)(b)Corridor division E5.23

Fire safety performance of walls D11.4Corridor pressurisation E5.23, (E5.23)Definitions

Electro-magnetic or electro-mechanical device susceptible to smoke A definitionsSmoke alarm A definitions

Exhaust ventilationAlternative escape in enclosed shopping centres E6.9eBasement storeys E10.15, (E10.15)Emergency lighting and smoke filled reservoirs (E9.2)Purpose group 4 buildings D3.6-7, (D3.6-7)


Fire detection and alarm systemsBuildings of purpose group 2 E11.2, (E11.2)Buildings of purpose sub-group 2A (E11.2)Buildings of purpose sub-group 2B (E11.2)Dwellings E11.1b, (E11.1)Flats and maisonettes E2.14b, (E2.14)Shopping complexes E11.3, (E11.3)

Fire-fighting shafts E10.9b, (E10.4, 10.9)High level outlet above stage D11.15, (D11.15)Recirculated air in ducted warm air heating systems E2.24Smoke venting shafts D3.11

Basement storeys (E10.15)Ventilation of basement storeys E10.15, (E10.15)Ventilation of escape routes E10.13-14

Smoke outletsBasement storeys E10.15, (E10.15)Exhaust ventilation systems (D3.6-7)Separated stage and stage area D11.15, (D11.15)Smoke venting shafts D3.11

Basement storeys (E10.15)Soakaways, Discharges from drainage systems M2.9, (M2.9)Socket outlets

Definition A definitionsDwellings Q reg 29(2), Q3.9

Soffits above open access balconies and access decks E2.13Soft floor coverings, Resistance to impact sound transmission (H2.1-3) floor type 1Solar gains, Conservation of fuel and power, Target U-value method J3.4, J3.8-10, J Appendix FSolid fuel combustion appliance installations F4, (F4.2-3), (F4.5), (F4.8), (F4.10-12), (F4.17-19), (F4.21)Solid fuels see FuelsSolid ground floors

Insulation thickness J Appendix A table A12, example 8U-values J Appendix C table C1

Solid wallsResistance to precipitation (G3.1) wall type 1Sound insulation constructions (H2.1-3) wall types 1, 3Thermal insulation J Appendix A table A10

Solid waste containers, Provision of hard-standing R2.1Solid waste storage R introApplication of Part R R1Dungsteads and farm effluent tanks R reg 31, R3.1-2, (R3.1-2)Dwellings R reg 30(1), R2, (R2.3)Escape routes E2.6Separating walls and separating floors D5.2a, D5.6, D5.7

SolumPrevention of vegetable growth G2.3Reducing evaporation from ground G2.5Specified constructions (G2.3, 2.5-6)

Sound insulating materialsAbsorbent blankets (H2.1-3) floor type 3Absorbent curtains (H2.1-3) wall type 4Cavity walls (H2.1-3) wall type 2Floating layers (H2.1-3) floor types 2-3Resilient (H2.1-3) floor types 1-3Soft coverings (H2.1-3) floor type 1

Sound transmission H intro, H regs 19-21Application of Part H H1Specified constructions (H2.1-3) wall types, floor typesTest procedures (H2.1-3) test procedures

Space coolingConservation of fuel and power J13.1, J Appendix K

Insulation of pipes and ducts J11.6, (J11.6)


Space heatingConservation of fuel and power

Buildings of purpose groups 2-7Commissioning systems J14.1-2, (J14.1-2)Controls J11.2-4, (J11.3), (J11.5)Efficiency of systems J11.1, (J11.1)Information for occupiers J14.2Insulation of pipes and ducts J11.6, (J11.6)

Dwellings J intro 3Commissioning systems J6.5-6Controls J6.1, (J6.1)Elemental Method J3.2Information for occupiers J6.6Insulation of pipes and ducts J6.3, (J6.3-4)Methods of compliance J3.1SAP energy ratings J Appendix GTarget U-value method J3.4-7, J Appendix F

Regulation 22 not applicable J reg 22(2)Dwellings Q reg 29(1)(f), Q3.6Flats and maisonettes, Ducted warm air systems E2.24Regulation 28 not applicable P reg 28(2)(b)

Special care baby units, Location of hospital departments D5.3-4Special waste R intro 4Specialised buildings, Exempted classes A schedule 1Specialist process lighting J12.1Specifications as standards (B2.2)Specified constructions

Airborne sound and impact sound (H2.1-3) wall types, floor typesResistance to moisture from the ground (G2.3, 2.5-6)Resistance to precipitation (G3.1)

Spectator accommodation see Fixed seatingSpiral stairs S3.15, (S3.15)

Escape stairs (S3.15)Spirituous liquor stores, Gangways E5.21Sports stadia

Gangways S intro 6Purpose groups A schedule 3Sanitary facilities (M4.5)see also Buildings of purpose sub-group 5B

Spread of fire D intro 5-6, D reg 12(1), (D1.3) table 3From adjoining buildings D9.1, (D9.1)Internal linings D7.1-4, (D7.1, 7.2, 7.4)On external walls D10.1-3, (D10.1)To adjoining buildings D8.1-3, (D8.1)

Spread of fire to fuel tanks F reg 15, F7.2-5, (F7.2-5)Springs

Location of infiltration systems (M3.7)Oil storage tanks (F7.2c) table

Sprinkler systems (D2.1, 5.1, 5.3-4, 8.1)Basement storeys (E10.15)

Stability (Structure) C reg 11(1), C2.1, (C2.1)Fire precautions D reg 12(1)(a)

Stages and stage areasDirection of air movement in event of fire D11.14, (D11.14)Escape route independent from that for auditorium E4.5Escape of smoke and hot gases in event of fire D11.15, (D11.15)Separation D11.13, (D11.13)

Staggering, Improving sound insulation H intro 3, (H2.1-3) wall type 2


Stair wellsCalculations of floor area J2.5cU-values of floors above or walls adjoining unheated spaces J2.3

StairliftsFitting to stairs in dwellings S3.4cFixtures not requiring warrants A schedule 2Wheelchair platform (S2.7)

Stairs S intro 3-4Access between storeys of dwellings Q2.13Agricultural buildings S3.27, (S3.27)Application of Part S S3.1Definitions

Flight A definitionsPrivate stair or ramp A definitionsTapered tread A definitions

Disabled access S2.7b, (S2.7)Handrails S3.20-24Headroom S3.25Houses of purpose sub-group 1B E3.4, E3.6Industrial S3.26, (S3.26)Landings S3.18-19Length of flights S3.10Measurement S3.2, S3.4Open rises S3.8, (S3.12)Openings in compartment floors D3.14, (D3.14)Private stairs

Basement storeys E3.6Flats at storey height of more than 4.5 m E2.21

Rise, going and pitch of flights S3.3-9Risers and nosings S3.10-11, (S3.11)Sound insulation of common stairs (H2.1-3) wall type 4Tapered treads S3.1-3, S3.12-15, (S3.12), (S3.15)Width S3.4see also Escape stairs

Standard Assessment Procedure, Conservation of fuel and power J intro 4, J Appendix GStandards

Fire reaction D1.3 (D1.3)Fire resistance D1.3, (D1.3)References A referencesSelection and use of materials and components (B2.2)Sound insulation (H2.1-3) standards

Standby power supply see Electrical installationsStanding capacity

Escape stairs E6.4bsee also Occupancy capacity

Steam see Discharges of steam or hot waterSteel

Open-sided car parks (D1.3)Portal frames, Fire safety performance (D1.3)Structural work (C2.1)

Disproportionate collapse (C3.1)Stepped elevation, Improving sound insulation H intro 3, (H2.1-3) wall type 2Steps

Access to dwellings Q2.1Profiles (S3.11)Sloping gangways S3.28

Sterilising and disinfecting units, Fire control systems D5.4cStone chippings, Thermal conductivity of materials J Appendix A table A18


Storage buildingsCompartmentation D2.1 table 2

Single storey buildings D2.1 table 1Purpose groups A schedule 3

Storage spacesEscape stair protected zones E6.8Factory-made chimneys F3.7b, (F3.7)Hospitals D5.3-4Means of escape where fixed obstructions E5.21Occupancy load factors A schedule 4Separation from escape stairs D11.5Sub-compartmentation D4.2

Stores (Domestic)Acceptable roof coverings D9.1Distance from boundaries D8.1bDuration of fire protection D2.1 table 1Exempted classes of buildings A schedule 1Kitchens Q3.4

Storey selector buttons see Tactile storey selector buttonsStoreys

Accessible to disabledBuildings of purpose groups 2-7 S2.6-7Dwellings Q intro, Q2.11-13

Accessible entrance storeys Q intro 4, Q2.11-12Sanitary facilities M4.3

Basement storeysCompartments D3.3-4Ducted warm air heating E2.24Fire-fighting facilities E10.4 table, E10.10Means of escape

Buildings of purpose groups 2-7Escape stairs E6.3, E6.12Number of exits E4.1

Flats and maisonettes E2.16, E2.18Houses E3.1, E3.3

Protected enclosure E3.6Smoke ventilation E10.15, (E10.15)Structural fire protection D2.1 table 2U-values (J2.1), J Appendix C

Calculating number C reg 11(3)Definitions

Basement storey A definitionsGround storey A definitionsStorey A definitionsUpper storey A definitions

Escape stairs connecting multiple levels in a single storey E6.6Escape stairs only escape route E6.2Escape stairs serving multiple storeys E6.4bMaximum areas D2.1 table 2Number of escape routes E intro 2Rules of measurement A schedule 5Separating walls and floors in hospitals D5.1d


Upper storeysCompartments D3.2Ducted warm air heating E2.24Fire spread on external walls D10.2Fire-fighting facilities E10.4 tableMeans of escape

Buildings of purpose groups 2-7Number of exits E4.1Protected lobbies E6.14

Flats and maisonettes E2.15-16, E2.20-24Protected lobbies E2.11

Hospitals E8.1Houses E3.1Topmost storeys used for plant maintenance E6.2b

Rainscreen cladding D6.5Structural fire protection D2.1 table 2

Strapping, Combustible material on outer face of chimneys F4.15dStringers see StairsStrong rooms, Smoke ventilation of basement storeys E10.15Structural elements see Elements of structureStructural Eurocodes C intro 4Structural fire precautions D intro, D reg 12

Application of Part D D1Concealed spaces D6Escape route protection D11.1-15

Buildings of purpose group 2-7 E5.9gFlats and maisonettes E2.11, E2.19

More than 4.5 m high E2.20-21, E2.23aHouses of purpose sub-group 1B E3.4, E3.6

Fire spread on external walls D10.1-3, (D10.1)Fire spread from adjoining buildings D9.1, (D9.1)Fire spread on internal linings D7, (D7.1, 7.2, 7.4)Fire spread to adjoining buildings D8, (D8.1)Protection principles D2.1-2Use of non-combustible materials D2.3

Structure C reg 11Application of Part C C1Disproportionate collapse C reg 11(2), C3.1, (C3.1)Portal frames, Fire safety performance (D1.3)Stability C reg 11(1), C2.1, (C2.1)

In fire D intro 1, D reg 12(1)(a)Steel framed open-sided car parks (D1.3)

StudsCavity barriers (D1.3) table 1Thermal bridging of insulation J Appendix B

Sub-compartment wallsDefinition A definitionsEscape routes E5.4

Measuring travel distances E5.2cHospitals D4.4, D4.8Openings D4.7

Ducts (D3.14, 4.7, 5.8, 6.7)


Sub-compartments D intro 4, D4.1-8Definition A definitionsEscape routes E5.3-4

Buildings of purpose sub-group 2A E5.10Hospital streets E8.9c

Subsoil drainage of sites see Site drainageSuitability for purpose B intro 2, B2.2, (B2.2)Summerhouses

Acceptable roof coverings D9.1Exempted classes of buildings A schedule 1Fire spread D8.1

Superimposed hearths see HearthsSurface condensation G intro 6, G4.2, (G4.2)

Risk at edges of openings J Appendix D6Surface soil, Preparation of sites G intro 2, G reg 16(1)(b), G2.3Surface spread of fire

Internal linings D7.1-4, (D7.1, 7.2, 7.4)Reaction to fire (D1.3) table 3

Surface water, Definition A definitionsSurface water drainage M intro 2-3, M reg 24, M2.2, (M2.2)

Discharges M2.9, (M2.9)Surgeries, Purpose groups A schedule 3Suspended ceilings, Fire safety performance of floors (D1.3) table 2Suspended ground floors

Insulation thickness J Appendix A tables A13-14 example 9Resistance to moisture from ground (G2.3, 2.5-6)U-value calculations J Appendix C

Sustainable Urban Drainage Systems M intro 3, M2.2a, (M2.2)Discharges from drainage systems M2.9a, (M2.9)

Swimming poolsAncillary to dwellings

Enclosures exempted A schedule 1Enclosures and fire spread D8.1

Covered by air supported structures E5.27Plastics roof coverings (D9.1)Purpose groups A schedule 3Sanitary facilities (M4.5)

SwitchingArtificial lighting

Communal areas of flats and maisonettes Q2.10b, (Q2.10)Conservation of fuel and power (J12.3), J Appendix JControlling points serving stairs Q3.8

Isolating switches N2.1c

TTactile call buttons, Passenger lifts (S2.6)Tactile storey selector buttons, Passenger lifts (S2.6)Tanks

Exempted classes of buildings A schedule 1Waste products from waterless closet M2.8bsee also Farm effluent tanks; Liquid fuel storage; Septic tanks

Tapered treads see StairsTarget U-value method J intro 3, J3.1, J3.4-10, Appendix FTechnical Standards

Definition A definitionsReferences A references

Telephone kiosks, Exempted classes of buildings A schedule 1Temperature

Dwellings Q3.6aStored hot water P intro 2, P3.1

Temperature controls see ThermostatsTemperature relief valves, Hot water storage systems (P3.1)


Temporary buildings, Exempted classes A schedule 1Tents, Exempted classes of buildings A schedule 1Termini (travel), Purpose groups A schedule 3Tests

Extract fans (F3.11)Harmonised methods A referencesSelection and use of materials and components (B2.2)Temperature of back, sides and top of oil-fired appliances (F5.13)Temperature beneath oil-fired appliances (F5.11)Wastewater and surface water drainage M2.5, (M2.5)Worksmanship (B2.1)see also Acoustic tests; Fire tests; Percolation tests

Thatched roof coverings, Flue terminal outlets (F4.10) diagram 2Theatres see Auditoria; Buildings of purpose sub-group 5AThermal breaks

Conservation of fuel and powerIndicative U-values J Appendix A tables A1-3Target U-value method J3.8

Thermal bridgingCalculating U-values (J2.1), J Appendix BLimiting at junctions and around openings

At the edges of openings J Appendix DBuildings of purpose groups 2-7 J9.1, (J9.1)Dwellings J4.1, (J4.1)

Thermal conductivity J2.1, (J2.1)Common building materials J Appendix A table A18

Thermal cut-outs, Hot water storage systems (P3.1)Thermal insulation J intro 8

Basement floors J Appendix CCavity closers J Appendix DCeilings instead of cavity barriers D6.6External walls


Fixtures not requiring warrants A schedule 2Ground floors J Appendix C

Heat loss method J Appendix HHot water storage vessels J6.4, J11.7, (J6.3-4), (J11.7)Materials J Appendix A table A18Over-roof G intro 5Passive stack ventilation K4.4bPipes and ducts J6.3, J11.6, (J6.3-4), (J11.6)Specified constructions for roofs (G3.1) roof type 1Specified constructions for walls (G3.1)Structures with repeating thermal bridges J Appendix BThicknesses for U-values J2.1, (J2.1), J Appendix A

Thermal resistanceDifference between bridged and bridging materials (J2.1)Minimum path at openings J Appendix DU-value calculations

Elements containing repeating thermal bridges J Appendix BGround floors and basements J Appendix C

Thermal transmittances see U-valuesThermoplastic materials

Ceilings D7.1c, D7.2, (D7.2)Light diffusers D7.1, D7.2, (D7.2)Roof coverings (D9.1)Rooflights D7.1, D7.2, (D7.2), (D9.1)

Thermostats J6.2b, J11.4, (J6.2), (J11.5)Room thermostats J6.1a, J11.3a, (J6.2), (J11.5)

Ducted warm air heating E2.24eThermostatic radiator valves J6.1, J11.2b, J11.3a


Thresholds see EntrancesThroats (combustion appliances), Definition (F4.3) tableTies

Disproportionate collapse (C3.1)Timber frame wall with absorbent curtain (H2.1-3) wall type 4see also Cavity walls

TilesRoof coverings (G3.1) roof type 2Thermal conductivity of materials J Appendix A table A18Wall claddings (G3.1) wall type 3

TimberFlat roof structures (G3.1) roof type 1Floating layers, Sound insulation constructions (H2.1-3) floor type 2Floors

Sound insulation constructions (H2.1-3) floor types 3-4Thermal insulation thickness J Appendix A table A15

Framed buildings, Chimneys or flue-pipes for gas installations (F6.6)Framed walls

Resistance to precipitation (G3.1) wall type 3Sound insulation constructions (H2.1-3) wall type 4

Floors (H2.1-3) floor type 3Thermal bridging of insulation J Appendix B example 1Thermal insulation thickness J Appendix A table A11, example 7

Inner leafs of cavity walls, Sound insulation constructions (H2.1-3) wall type 1Joists

Supported by hangers (H2.1-3) wall types 1-3Thermal bridging (J2.1)

Projecting beyond surface of insulation J Appendix B2Pitched roofs (G3.1) roof type 2Structural work (C2.1)Studs

Cavity barriers (D1.3) table 1Thermal bridging of insulation J Appendix B

Suspended ground floorsInsulation thickness J Appendix A table A13, example 9Resistance to moisture (G2.3, 2.5-6)

Thermal conductivity of materials J Appendix A table A18Time switching, Lights (J12.3)Tobacco smoke K intro 6Toilets M4.10

Definition A definitionsEscape stair protected zones E6.8Ventilation for dwellings (K2.1) table

Transmission of sound see Sound transmissionTravel distances

Air supported structures E5.27aBuildings of purpose groups 2-7 E5.1-8

Independence of escape routes E4.3Flats and maisonettes E2.15

More than 4.5 m in height E2.20-21Hospitals E8.8-9Number of escape routes E intro 2

Treads see StairsTrickle ventilators see VentilatorsTroughed metal deckings, Specified roof constructions (G3.1)Turnstiles, Escape routes E2.4c, E5.11c


UU-values J2.1, (J2.1), J Appendix A

Basement storeys J Appendix CBuildings of purpose groups 2-7

Carbon emissions calculation method J8.8-9Elemental method J8.3Heat loss method J8.5-6, (J8.5), J Appendix H

Calculations using the Combined Method J Appendix BDefinition A definitionsDwellings

Conservatories J7.1Elemental method J3.2-3Maximum permissible J3.12Methods of compliance J3.1Target U-value method J3.4-10, J Appendix F

Floors above or walls adjoining unheated space J2.3Ground floors J8.6a, J8.9b, J Appendix CMeasurement (J2.1)Windows, doors and rooflights in the elemental method J Appendix E

Underfloor space, Ventilation (G2.3, 2.5-6)Underground buildings

Exempted buildings ancillary to dwellings A schedule 1U-values of floors above or walls adjoining unheated spaces J2.3

Underground drainage see Drainage systemsUnderground structures (G2.3, 2.5-6)

see also Basement storeysUnheated buildings, Conservation of fuel and power J reg 22(2)(a)Unheated spaces

Conservation of fuel and power J reg 22(2)(b)Floor areas J Appendix C4U-values of floors above or walls adjoining J2.3

Unprotected areas D intro 6Calculations (D8.1)Permitted levels D8.1

Unprotected zonesDefinition A definitionsEmergency lighting E9.2 tableExits from rooms with occupancy capacity of no more than 100 persons E4.3Horizontal escape E5.9-10

Unvented hot water storage systems see Hot waterUpper storeys see StoreysUse see Existing buildings; Mixed use; Purpose groupsUsed water see GreywaterUtility rooms, Ventilation for dwellings (K2.1) table

VVapour control layers (G3.1) wall type 3, roof typesVapour control membranes, Sealing (J5.1)Vegetable matter see Organic matterVehicle parking

Pumping appliances E10.7-8, (E10.2, 10.8)Ventilation K1.3see also Car parking; Car parks

Vehicle protective barriers see Protective barriersVentilated voids

Framed walls and resistance to precipitation (G3.1) wall type 3Rainscreen panels D6.5


Ventilation K intro, K reg 23Air for combustion F intro 6

Oil-fired appliances F5.3, (F5.3)Open-flued combustion appliances F3.11, (F3.11)Solid fuel appliances F4.3, (F4.3)

Air for coolingOil-fired appliances F5.4, (F5.4)Open-flued combustion appliances F3.11, (F3.11)

Application of Part K K1Auditoria air movements in event of fire D11.14, (D11.14)Buildings other than garages K2.1, (K2.1)Conservation of fuel and power K intro 3Drainage systems M2.3, (M2.3)Ducts through fire resisting construction (D3.14, 4.7, 5.8, 6.7)Fan replacements not requiring warrants A schedule 2Fire-fighting shafts (E10.4, 10.9)Garages

Large K3.1, (K3.1)Small K3.2, (K3.2)

Mechanical K4.6-10, (K2.1), (K4.9-10)Conservation of fuel and power J intro 7, J13.1, (J13.1)

Office buildings J Appendix KMixed modes of natural and mechanical J Appendix KNatural K4.1-5, (K2.1), (K4.1), (K4.3)Roof void in flat roofs G intro 5Smoke and fumes

Basement storeys E10.15, (E10.15)Corridors providing escape from flats and maisonettes E2.12, E10.14, (E2.11-12)Escape routes E10.13-14Escape stairs E10.13Fire-fighting shafts (E10.4, 10.9)Protected lobbies in flats and maisonettes E2.11, (E2.11-12)

Smoke and heat exhaust systems D3.6-7, (D3.6-7)Alternative escape E6.9eBasement storeys E10.15f, (E10.15)Emergency lighting (E9.2)

Smoke venting shafts D3.11Basement storeys (E10.15)

Solid waste storage (R2.3)Sub-floors (G2.3, 2.5-6)Underfloor space (G2.3, 2.5-6)Volume K1.3

VentilatorsBasement storeys (E10.15)Calculation of unprotected areas (D8.1)Corridors providing escape from flats and maisonettes E2.12, E10.14, (E2.11-12)Definition A definitionsEscape stairs E10.13aFan replacements not requiring warrants A schedule 2Grilles in ceilings (D3.6-7)Height K4.2Opening areas (K2.1)Permanent (K3.2)

Definition A definitionsProtected lobbies in flats and maisonettes E2.11, (E2.11-12)Rooms opening into conservatories K4.1aSmoke reservoirs (D3.6-7)Trickle K4.1b, (K2.1), (K4.1)

Definition A definitionsVermin, Securing solid waste storage R2.3, (R2.3)


Vertical escape in buildings of purpose groups 2-7Protected zones E6.6-14Width of escape stairs E6.1-5

Vision panels P2.1Voice alarm systems, Mall areas (E11.3)Volatile substances discharged into drainage systems M2.7, (M2.7)Volume

Measurement A schedule 5Ventilation K1.3

WWaiting rooms, Occupancy load factors A schedule 4Walkways, Impact sound transmission H reg 20(2), H1.4Walls

Cavity barriers D6.1-2, D6.8Conservation of fuel and power

Adjoining unheated space J2.3Insulation thickness J Appendix A tables A8-11, examples 4-7Target U-value method J3.5, J Appendix FThermal bridging (J2.1), J Appendix BThermal conductivity of materials J Appendix A table A18U-values of basement storeys J Appendix C

Construction differing only in roof space (H2.1-3) test proceduresCorridor division for smoke control E5.23

Fire safety performance D11.4Definition A definitionsDividing protected lobby from rest of protected zone D11.2Escape across flat roofs or access decks D11.11, E3.7, E5.9gFire resistance periods (D1.3) table 1Fire spread on internal linings D7.1, (D7.1)

Sandwich panels D7.3-4, (D7.4)Height and exceptions to exempted classes A schedule 1Mass of leaf (H2.1-3)Openings for ventilation of large garages (K3.1)Protected enclosures D11.3Resistance to moisture from ground (G2.3, 2.5-6)Resistance to precipitation (G3.1)Separation of rooms from escape stairs D11.5Sound insulation constructions (H2.1-3) wall types

Floors (H2.1-3) floor typessee also Cavity walls; Compartment walls; External walls; Separating walls

Wardrobe space Q3.1Warehousing see Storage buildings; Storage spacesWarm air ducts, Thermal insulation J6.3, J11.6, (J6.3-4), (J11.6)Warm deck roofs G intro 5

Specified constructions (G3.1)Warnings

Activation of shutters sealing compartment floors (D3.14)Discharges of hot water J11.7Fire E intro 1, E reg 13(1A), E2.14b, E11.1-3, (E2.14, 11.1-3)

Application of Part E E1Roof access P2.8, (P2.8)

Warrants A intro 4Not required for fixtures A reg 4, A schedule 2Staged applications M intro 5

Washbasins see Sanitary facilitiesWashrooms, Escape stair protected zones E6.8Waste chutes, Sound insulation H1.4Waste containers R2.1, (R2.3)Waste management R intro 2, R2.1


WastewaterDefinition A definitionsInspection and sampling treated water M3.1, (M3.1)see also Drainage systems

Wastewater treatment plantDischarges from drainage systems M2.8Exempted classes of buildings A schedule 1Private systems M3.1-4, (M3.1-4)

Infiltration systems M3.5-7, (M3.5-7)Water

Contamination preventionDungsteads and farm effluent tanks R reg 31, R3.1b, (R3.1)Oil storage F reg 15(1)(b), (F7.2c) tableStorage of solid waste from dwellings R reg 30(2)(c)

Locating infiltration systems (M3.5), (M3.7)Supply for fire-fighting E intro 4, E10.2-3, (E10.2)see also Hot water

Water service pipesConnections for ground hydrants E10.3Service openings in walls and floors (D3.14, 4.7, 5.8, 6.7)

Water works, Exempted classes of buildings A schedule 1Watercloset compartments see ToiletsWatercloset cubicles M4.6, (M4.6)Waterclosets see Sanitary facilitiesWaterless closets M intro 2, M4.2, (M4.2)

Waste products M2.8bsee also Sanitary facilities

Weather compensating controls J11.3dWeatherboarding (G3.1) wall type 3Weighted impact sound improvement (H2.1-3) floor type 1Wet fire mains see Fire mainsWetland infiltration systems (M3.6)Wheelchair platform stairlifts (S2.7)Wheelchair users see Disabled peopleWind loads C2.1


Winders see StairsWindow access systems P2.3c, (P2.3)Window frames

Conservation of fuel and powerBuildings of purpose groups 2-7, Elemental method J8.3Dwellings

Elemental method J3.2 table 1Methods of compliance J3.1Target U-value method J3.9, J Appendix F

Indicative U-values J Appendix A tables A1-3

WindowsAccess to manual controls P intro 2, P reg 27(1)(f), P2.7Cleaning P intro 2, P reg 27(1)(c), P2.3-4, (P2.3-4)Conservation of fuel and power

Buildings of purpose groups 2-7Carbon emissions calculation method J8.9aCombining natural and mechanical ventilation J Appendix KElemental method J8.2-4, J Appendix EHeat loss method J8.5-6, (J8.5), J Appendix HMonitoring daylight (J12.3)

DwellingsDraught seals (J5.1)Elemental method J3.2-3, J Appendix EMethods of compliance J3.1Target U-value method J Appendix F

Indicative U-values J Appendix A tables A1-3Thermal bridging at edges of openings J Appendix D

Dwellings Q reg 29(1)(e), Q3.5Emergency escape (E2.17, 3.2)

Flats and maisonettes E2.17-18Houses E3.1-3

Escape stair ventilation E10.13Plastics D7.1Replacements not requiring warrants A schedule 2see also Rooflights

Wood based boardsExpansion of chipboard (H2.1-3) floor type 3Floating layers of cement bonded particleboard (H2.1-3) floor type 3Thermal conductivity of materials J Appendix A table A18

Wood fuel see FuelsWood wool slabs, Thermal conductivity of materials J Appendix A table A18Workmanship B intro 6, B reg 10, B2.1 (B2.1)

Application of Part B B1Safety of structure C intro 1)Sound insulation H intro 4, (H2.1-3) floor type 3

Works of civil engineering, Exempted classes of buildings A schedule 1Workshops see Industrial buildings

ZZoos, Purpose groups A schedule 3


INDEX [] · Accessible entrance storeysQ intro 4, Q2.11 Sanitary facilities M4.3 Accessible...

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Transcript of INDEX [] · Accessible entrance storeysQ intro 4, Q2.11 Sanitary facilities M4.3 Accessible...